Santa Fe Ultra120V Installation & Operation Instructions

The Santa Fe Ultra120V is a ventilating dehumidifier designed to integrate with heating and cooling systems for enhanced comfort, health, and property protection. It provides:

Dehumidification
Fresh Air Ventilation (Optional)
Air Filtration

Note: The Santa Fe Ultra120V was previously known as the Ultra Aire120V.

For patent information, visit: thermastor.com/patents

Safety Instructions

WARNING! This symbol indicates important instructions. Failure to heed them can result in serious injury or death.

CAUTION! This symbol indicates important instructions. Failure to heed them can result in injury or material property damage.

Read the installation, operation, and maintenance instructions carefully before installing and operating this device. Proper adherence to these instructions is essential to obtain maximum benefit from your Santa Fe whole house ventilating dehumidifier.

Electrical Warning: 120 VOLTS MAY CAUSE SERIOUS INJURY FROM ELECTRIC SHOCK. DISCONNECT ELECTRICAL POWER BEFORE STARTING INSTALLATION OR SERVICING, AND LEAVE POWER DISCONNECTED UNTIL INSTALLATION OR SERVICE IS COMPLETED.

General Precautions:

Always use caution and wear cut-resistant gloves when handling sheet metal.
Improper installation may cause property damage or injury.
Installation, service, and maintenance must be performed by a qualified service technician.
The dehumidifier is heavy. Handle with care and follow installation instructions.
Never operate a unit with a damaged power cord. If the power cord is damaged, it must be replaced by the manufacturer, its service agent, or a similarly qualified person to avoid a hazard.
This appliance is not intended for use by persons (including children) with reduced physical, sensory, or mental capabilities, or lack of experience or knowledge, unless they have been given supervision or instruction concerning the use of the appliance by a person responsible for their safety. Children should be supervised to ensure that they do not play with the appliance.

The Santa Fe Ultra120V conforms to unified standard UL 60335-2-40 and CSA standard C22.2.60335-2-40.

Dehumidifier Set Up

Important Precautions

The device is designed to be installed indoors in a space protected from rain and flooding.
Install the unit with sufficient space for access to the front panel for maintenance and service.
Avoid directing the discharge air at people. The dehumidifier should be used in the upright position.
If used near a water source, ensure the unit cannot fall into the water or get splashed, and that it is plugged into a dedicated circuit and Ground Fault Circuit Interrupter (GFCI) protected outlet.
DO NOT use the dehumidifier as a bench or table.
DO NOT place the dehumidifier directly on structural building members without vibration absorbers, as unwanted noise may result. Place the Santa Fe Ultra120V on supports to raise the base of the unit.
A drain pan with a float switch MUST be placed under the dehumidifier if installed above a living area or an area where water leakage could cause damage.

Location Considerations

Allow sufficient clearance for the unit's overall dimensions and for the necessary return and supply ductwork.
Allow sufficient clearance for filter removal and to prevent airflow obstruction.
Electrical service access requires removal of the front panel; allow adequate clearance on this side.
Locate the dehumidifier where the 9' cord can easily reach a 115 VAC electrical outlet with a minimum 15 Amp circuit capacity.
Locate the dehumidifier where field wiring of the low voltage control to the unit is possible.
It is recommended to use a backdraft damper in the discharge duct of the Santa Fe Ultra120V, especially when connecting to the HVAC supply ducting system. This prevents supply air from counter-flowing through the unit when it is not operating. Choose a location that allows for this accessory if necessary.
DO NOT hang the Santa Fe Ultra120V from its cabinet.
Ensure proper routing and drainage of necessary drain pipes.

Front View Diagram Description: The diagram shows the front of the Santa Fe Ultra120V unit with labels for duct connections: A (6" Fresh Air Intake - Optional), B (8" Return Air Duct), C (8" Supply Air Duct #1), D (8" Supply Air Duct #2 - Optional), and E (8" Duct Cover - Optional).

Attaching Duct Collars

Apply the corresponding foam tape included for each component before installing the damper and duct collars.

Fresh Air Ventilation Duct

Fresh air ventilation is optional. A 6" diameter damper is included and can be attached to the top. If fresh air ventilation is not desired, the 6" damper should be closed. Refer to page 9 for fresh air ventilation setup.

Return Air Inlet

An 8" diameter duct collar is included and can be attached to the top.

Supply Air Outlet #1

An 8" diameter duct collar is included and can be attached to the side.

Supply Air Outlet #2

An optional 8" diameter duct collar is included and can be attached to the other side.

Supply Air Duct Cover

An optional 8" diameter duct cover can be used to block one of the supply air outlets if it is not being used.

Front View and Air Flow Path Diagram Description: The front view shows the duct connections as described above. The side view illustrates the air flow path, showing air entering from the top, circulating through the unit, and exiting through the supply air outlets.

Electrical Requirements

The Santa Fe Ultra120V plugs into a standard grounded 115 VAC outlet. The device draws 5.8 Amps at 80°F and 60% RH. Locate the dehumidifier where the 9' cord can easily reach a 115 VAC electrical outlet with a minimum 15 Amp circuit capacity. A GFCI protected circuit is recommended for areas that may become wet. Consult local electrical codes for further information.

Santa Fe offers various control devices for the Ultra120V. The control should be located remotely from the dehumidifier, in the space to be conditioned. A low voltage (24 Volt) control MUST be used and connected with low voltage (18-22 gauge) thermostat wire.

WARNING! The remote controls of the Santa Fe Ultra120V are powered by a low voltage circuit (24 VAC) and must never contact or be connected to a high voltage circuit.

CAUTION! DO NOT allow the 24V terminal to contact the COM terminal on the Santa Fe Ultra120V, as this will damage the transformer.

CAUTION! Some terminals on the Santa Fe Ultra120V may not be used with certain controls and should be left unconnected.

Electrical Precautions

Do not install the control where it cannot accurately sense relative humidity (e.g., near HVAC supply registers, exterior doors, outside walls, windows, or water sources).
Terminals on the Santa Fe Ultra120V and the control are labeled for clarity.
Consult the electrical schematic in the CONTROLS Section (Page 11) or inside the access panel before making control connections.

Wiring Diagram Description: The wiring diagram illustrates the electrical connections for the Santa Fe Ultra120V, including the transformer, circuit breaker, relays, compressor, and blower.

Drain Installation

The Santa Fe Ultra120V generates condensate. If the unit is installed above a finished area or an area where water leakage could cause damage, place a secondary drain pan with a float switch underneath it.

The unit has an internal drain trap. Install a 3/4" threaded male NPT adapter to the external condensate fitting. Use a 3/4" PVC pipe for the condensate drain, ensuring a 1° pitch per 10' for proper drainage.

An optional condensate pump kit is available if lift is required for condensate disposal. The pump automatically removes condensate when its reservoir's float switch is activated. A safety float switch in the pump stops water production if the pump fails, preventing overflow.

Note: Refer to the condensate pump kit literature for installation instructions.

Side View Diagram Description: The side view shows the location of the 3/4" FPT (Female Pipe Thread) fitting for condensate drainage.

Ducting to HVAC Systems

The recommended installation involves a separate return for the Santa Fe Ultra120V in a central area of the structure, with the unit's supply ducted to the existing HVAC system's air supply. Connect an insulated duct from outside to the 6" damper for fresh make-up air.

CAUTION! DO NOT connect with a static pressure greater than or equal to +0.8 WG. Contact technical support at (800) 533-7533 for details.

Ducting Considerations:

All flexible ducting connected to the Santa Fe Ultra120V must be UL listed.
Using a short piece of flexible ducting on all connections is recommended to reduce noise and vibration transmission to rigid ductwork.
For total duct lengths up to 25', use a minimum 8" diameter round or equivalent rectangular duct. For longer lengths, use a minimum 10" diameter round or equivalent rectangular duct.
Grills or diffusers at duct ends must not excessively restrict airflow.
Effective dehumidification may require branching ductwork to isolated, stagnant airflow areas. Use 8" or larger diameter branch ducting for two or three areas, and 6" or larger for four or more areas. Ensure proper airflow from supply locations back to the central return for even humidity and heat distribution.
DO NOT locate the return in a bathroom or kitchen.

For more installation options, visit: www.Santa-Fe-Products.com/install-options/

Recommended HVAC System Installation: Dedicated Santa Fe Return to HVAC Supply

Install a dedicated return for the Santa Fe Ultra120V from a central area.
Install an insulated duct from outside to the 6" damper for optional fresh air ventilation.
The optional second supply can be ducted to another location, such as the basement, or to the existing HVAC system supply with a backdraft damper.
If only one supply is used, block the unused supply with the included duct cover plate.
DO NOT locate the return in a bathroom or kitchen.
The control should be located remotely from the dehumidifier in a central location.

Diagram Description: The diagram shows a typical installation where indoor air return is ducted to the Santa Fe unit, which then supplies conditioned air to the air handler supply and optionally to fresh air intake. A backdraft damper is shown in the connection to the air handler supply.

Fresh Air Ventilation

Fresh air ventilation is optional. Outside air can be introduced by connecting an insulated duct from outside the structure to the 6" inlet of the Santa Fe Ultra120V. A ventilation control is needed to schedule the time and frequency of outside air introduction, based on the residence's size and occupancy.

Connect the fresh air ventilation duct to the 6" damper on the unit's top.
An insulated 6" diameter duct can provide up to 100 CFM of outside air.
If using the fresh air ventilation duct, the Santa Fe Ultra120V's return must be ducted, or an inline fan may be required on the fresh air ventilation line.
If a motorized damper is not used, fresh air is controlled by the manual damper in the 6" collar.
Indoor and outdoor air conditions can affect the performance of the Santa Fe Ultra120V.
A digital control is required when using a 6" motorized damper.
8" ductwork may be necessary if additional fresh air is required.
In cold climates or when the dew point is low, ventilation can be used for dehumidification, enabling year-round drying.

Fresh Air Ventilation With Dehumidifier Off and Fan Only Operation

Outside air mixes with the dehumidifier's return air before being supplied to the home. The combined outlet air conditions are influenced by outside temperature, inside temperature, and relative humidity.

Note: Temperature and relative humidity may vary depending on the duct distribution scheme.

Diagram Description: The diagrams illustrate air mixing in both hot and cold climate scenarios. In a hot climate, 70°F/50% RH indoor air mixes with 90°F/65% RH outdoor air, resulting in outlet air of 76°F/59% RH. In a cold climate, 70°F/50% RH indoor air mixes with 30°F/65% RH outdoor air, resulting in outlet air of 59°F/60% RH.

Determine Ventilation Requirements

The MINIMUM ventilation requirement is calculated using ASHRAE 62.2-2016. Use one or both of the following options to determine your ventilation requirement. Always follow local and national building and safety codes.

Option 1: Calculating Airflow Requirement Using ASHRAE 62.2-2016 Airflow Equation

ASHRAE Airflow in CFM = [House Area in Sq.Ft. × 0.03] + [(Number of Bedrooms + 1) × 7.5]

NOTE: Use 'Number of Bedrooms + 1' or 'Number of Occupants', whichever is larger.

Example 1 (Bedrooms + 1): 1800 sq. ft. house with 3 bedrooms, 4 occupants = [1800 × 0.03] + [(3+1) × 7.5] = 54 + 30 = 84 CFM

Example 2 (Occupants): 1800 sq. ft. house with 3 bedrooms, 5 occupants = [1800 × 0.03] + [5 × 7.5] = 54 + 37.5 = 91.5 CFM

Record the required CFM: ______

Option 2: Calculating Airflow Requirement Using Table 4.1 from ASHRAE 62.2-2019

Ventilation Air Requirements, CFM

Floor Area (ft²)	Number of Bedrooms
	1	2	3	4	5
<500	30	38	45	53	60
501-1000	45	53	60	68	75
1001-1500	60	68	75	83	90
1501-2000	75	83	90	98	105
2001-2500	90	98	105	113	120
2501-3000	105	113	120	128	135
3001-3500	120	128	135	143	150
3501-4000	135	143	150	158	165
4001-4500	150	158	165	173	180
4501-5000	165	173	180	188	195

Table 4.1 from ASHRAE 62.2-2019

Record the required CFM: ______

Controls

A control is required for the Santa Fe Ultra120V. Santa Fe offers the DEH 3000 proprietary control, which allows homeowners to monitor and control relative humidity and ventilation levels. A remote sensing option is also available. The DEH 3000 is sold separately.

Note: Other thermostats are compatible with the Santa Fe Ultra120V.

Wiring Controls

CAUTION! DO NOT allow the 24V terminal from the Santa Fe Ultra120V to contact the COM terminal on the Santa Fe Ultra120V, as this will damage the transformer.

Circuit Breaker

The Santa Fe Ultra120V includes a resettable circuit breaker to protect the 24-volt control transformer. Check wiring for electrical shorts and repair before resetting the breaker. Resetting without correcting a short may damage the transformer. Always consult the electrical schematic before making control connections. The reset button is located on the side of the unit.

Control Connections

Terminals are labeled for clarity. Some screw terminals on the Santa Fe Ultra120V may not be used depending on the control. Consult the electrical schematic before making connections.

Side View Diagram Description: The diagram indicates the location of the Circuit Breaker Reset Button on the side of the unit.

A low voltage control must be used with the Santa Fe Ultra120V.

Terminal Block Control Operation:

Terminal	Description
COM	24VAC Power Transformer Neutral Side
FAN	Fan Control
24 V	Transformer High Side
DEHU	Dehumidification (Fan and Compressor) Control
FLOAT	External low voltage float switch or water sensor (two terminals). Use normally closed switch.

A 40VA transformer between the COM and 24V terminals powers the relays controlling the fan and compressors. This transformer can also power external HVAC accessories.

Compressor ON / Fan ON: Make contact between 24V and DEHU terminals.
Compressor OFF / Fan ON: Make contact between 24V and FAN terminals.
Power HVAC Accessory: Connect the accessory to the COM and 24V terminals.

NOTE: 18 gauge wire is needed between the dehumidifier and the external control.

Air Filtration

The Santa Fe Ultra120V is equipped with a MERV-13 filter (1.75" x 15.50" x 19.50"). An optional MERV-14 filter is available. The MERV-13 filter should be checked and replaced every three to six months. If using the MERV-14 filter, the MERV-13 acts as a pre-filter and should be placed on top of the MERV-14. Replacing the MERV-13 filter regularly extends the life of the MERV-14 filter, which should be replaced every two to three years when used with a pre-filter.

Operating the unit with a dirty filter reduces dehumidifier capacity and efficiency. DO NOT operate the unit without the recommended filter, as this voids the product warranty.

CAUTION! MAKE SURE THE UNIT IS OFF BEFORE CHANGING THE FILTER.

Changing the Filter

For optimal filtration and efficiency, replace the air filter every three to six months with a MERV-13 filter.

Step 1: The filter access door is located above the front panel. Pull the door latch straight up to disengage it from the front panel, then lift the door to its vertical position.

Step 2: Remove the used filter(s). Insert the new filter by gently pushing it straight into the filter cavity. Ensure the airflow arrows on the filter point down into the unit.

Step 3: Close the filter access door, ensuring the door latch engages.

Diagram Description: The diagrams show the steps for changing the filter: Step 1 shows opening the filter access door. Step 2 illustrates removing the old filter and inserting the new one, with attention to airflow direction. Step 3 shows closing the door.

MERV Rating Chart

This chart provides information on Minimum Efficiency Reporting Value (MERV) ratings, their efficiencies, and typical applications.

Standard 52.5 Minimum Efficiency Reporting Value	Dust Spot Efficiency	Arrestance	Typical Controlled Contaminant	Typical Applications and Limitations	Typical Air Filter/Cleaner Type >99.999% eff. On .10-.20 µm
20	n/a	n/a	<0.30 µm Particle Size	Cleanrooms	Particles
19	n/a	n/a	Virus (unattached)	Radioactive Materials	Particles
18	n/a	n/a	Carbon Dust	Pharmaceutical Man.	Particulates
17	n/a	n/a	All Combustion Smoke	Carcinogenetic Materials	>99.97% eff. On .30 µm Particles
16	n/a	n/a	.30-1.0 µm Particle Size	General Surgery	Bag Filter - Nonsupported microfine fiberglass or synthetic media, 12-36 in. deep, 6-12 pockets.
15	>95%	n/a	All Bacteria	Hospital Inpatient Care	Bag Filter - Nonsupported microfine fiberglass or synthetic media, 12-36 in. deep, 6-12 pockets.
14	90-95%	>98%	Most Tobacco Smoke	Smoking Lounges	Box Filter - Rigid Style Cartridge Filters 6 to 12″ deep may use lofted or paper media.
13	89-90%	>98%	Droplet Nuclei (Sneeze)	Superior Commercial Buildings
12	70-75%	>95%	1.0-3.0 µm Particle Size	Superior Residential	Bag Filter - Nonsupported microfine fiberglass or synthetic media, 12-36 in. deep, 6-12 pockets.
			Legionella
11	60-65%	>95%	Humidifier Dust Lead Dust	Better Commercial Buildings	Box Filter - Rigid Style Cartridge Filters 6 to 12″ deep may use lofted or paper media.
10	50-55%	>95%	Milled Flour
9	40-45%	>90%	Auto Emissions Welding Fumes	Hospital Laboratories
8	30-35%	>90%	3.0-10.0 µm Particle Size	Commercial Buildings	Pleated Filters - Disposable, extended surface area, thick with cotton-polyester blend media, cardboard frame.
7	25-30%	>90%	Mold Spores	Better Residential
6	<20%	85-90%	Fabric Protector	Industrial Workplace	Cartridge Filters - Graded density viscous coated cube or pocket filters, synthetic media.
5	<20%	80-85%	Dusting Aids	Paint Booth Inlet	Throwaway - Disposable synthetic panel filter.
4	<20%	75-80%	>10.0 µm Particle Size Pollen	Minimal Filtration	Throwaway - Disposable fiberglass or synthetic panel filter.
3	<20%	70-75%	Dust Mites	Residential	Washable - Aluminum Mesh.
2	<20%	65-70%	Sanding Dust
1	<20%	<65%	Spray Paint Dust Textile Fibers	Window A/C Units	Electrostatic - Self charging woven panel filter.

Table Data Source: United States Environmental Protection Agency

Service

Troubleshooting

CAUTION! TROUBLESHOOTING SHOULD BE PERFORMED BY A QUALIFIED HVAC TECHNICIAN.

Symptom	Possible Reason	Troubleshooting Procedure
Neither fan nor compressor running. Dehumidification is being called for.	1. Dehumidifier unplugged or no power to outlet. 2. Humidity control set too high. 3. Loose connection in internal or control wiring. 4. Defective compressor relay. 5. Defective control transformer. 6. Missing jumper wire or open circuit between FLOAT terminals.	WARNING! ELECTRICAL SHOCK HAZARD: ELECTRICAL POWER MUST BE PRESENT TO PERFORM SOME TESTS. THESE TESTS SHOULD BE PERFORMED BY A QUALIFIED SERVICE PERSON. Troubleshooting Procedure for Control Related Issues: This method tests the 3 main components of the control circuit individually. 1. Detach field control wiring from the main unit terminals. 2. Connect the 24V and FAN terminals; only the fan should run. Disconnect. 3. Connect the 24V and DEHU terminals; fan and compressor should run. Disconnect. 4. If this test works, the main unit is functioning correctly from a control standpoint. 5. Reconnect field control wiring. 6. Remove the control panel cover and detach field wiring from control connections. 7. Connect the 24V and FAN terminals; only the fan should run. Disconnect. 8. Connect the 24V and DEHU terminals; fan and compressor should run. Disconnect. 9. If this test works, the field control wiring is okay. 10. If the problem persists, the control is likely faulty.
Compressor is not running. Dehumidification is being called for. Fan is running.	1. Defective compressor run capacitor. 2. Loose connection in compressor circuit. 3. Defective compressor overload. 4. Defective compressor. 5. Defrost thermostat open.
Compressor cycles on and off. Dehumidification is being called for.	1. Low ambient temperature and/or humidity causing unit to cycle through defrost mode. 2. Defective compressor overload. 3. Defective compressor. 4. Defrost thermostat defective. 5. Dirty air filter(s) or air flow restricted. 6. Defective fan or relay.
Fan is not running. Dehumidification or fan is being called for.	1. Loose connection in fan circuit. 2. Obstruction prevents fan impeller rotation. 3. Defective fan. 4. Defective fan relay. 5. Open circuit between FLOAT terminals.	WARNING! ELECTRICAL SHOCK HAZARD: ELECTRICAL POWER MUST BE PRESENT TO PERFORM SOME TESTS. THESE TESTS SHOULD BE PERFORMED BY A QUALIFIED SERVICE PERSON. Troubleshooting Procedure for Performance Related Issues: This method checks internal components. 1. Set humidity controller to the most humid setting or off. Did the unit shut off? 2. If yes, turn the fan setting to ON. Does the fan start? 3. With the fan ON, set humidity to the driest setting. Wait up to 5 minutes for the compressor to start. 4. Listen for the compressor startup sound. Do you hear it? 5. If the compressor is running, after about 15 minutes, feel for a slight increase in discharged air temperature. 6. Depending on environmental conditions (temp/RH%), water production should be visible within 30 minutes. (Note: Little to no water will be produced if room temperature is 55°F or below, or in areas of low relative humidity.) 7. Collect water removed over 24 hours to measure performance.
Low dehumidification capacity (evaporator is frosted continuously). Dehumidification is being called for.	1. Defrost thermostat loose or defective. 2. Low refrigerant charge. 3. Dirty air filter(s) or air flow restricted. 4. Excessively restrictive ducting connected to unit.
No ventilation. Ventilation is being called for.	1. Loose connection in ventilation control circuit. 2. Loose connection in damper power circuit. 3. Defective fresh air damper.
Dehumidifier removes some water, but not as much as expected.	1. Air temperature and/or humidity have dropped. 2. Humidity meter and/or thermometer are out of calibration. 3. Unit has entered defrost cycle. 4. Dirty air filter(s) or air flow is restricted. 5. Defective defrost thermostat. 6. Low refrigerant charge. 7. Air leak (e.g., loose cover or ducting leaks). 8. Defective compressor. 9. Restrictive ducting.

Service (Continued)

Troubleshooting (Continued)

CAUTION! TROUBLESHOOTING SHOULD BE PERFORMED BY A QUALIFIED HVAC TECHNICIAN.

Symptom	Possible Reason	Troubleshooting Procedure
Control not powering dehumidifier.	1. No power to dehumidifier. 2. 24-volt circuit breaker tripped or faulty transformer. 3. Loose or missed wired control wires at humidity control. 4. Loose or missed wired control wires at unit. 5. Humidity control defective. 6. Missing jumper wire or open circuit between FLOAT terminals.	WARNING! ELECTRICAL SHOCK HAZARD: ELECTRICAL POWER MUST BE PRESENT TO PERFORM SOME TESTS. THESE TESTS SHOULD BE PERFORMED BY A QUALIFIED SERVICE PERSON. 1. Verify power to the unit at the power outlet. 2. Verify closed circuit between FLOAT terminals. 3. Look for a short in the control wiring. 4. Check wire connections at the control and unit. 5. Reset the circuit breaker button on the dehumidifier.

Refrigerant Charging

WARNING! SERVICING THE SANTA FE ULTRA120V WITH ITS HIGH PRESSURE REFRIGERANT SYSTEM AND HIGH VOLTAGE CIRCUITRY PRESENTS A HEALTH HAZARD WHICH COULD RESULT IN DEATH, SERIOUS BODILY INJURY, AND/OR PROPERTY DAMAGE. SERVICE MUST BE PERFORMED BY A QUALIFIED SERVICE TECHNICIAN.

If the refrigerant charge is lost due to service or a leak, the leak must be repaired, and a new charge accurately weighed in. If any old charge remains, it must be recovered before adding the new charge. Refer to the unit nameplate for the correct charge weight and refrigerant type.

Limited Warranty

Therma-Stor, LLC ("Therma-Stor") warrants the Santa Fe Ultra120V dehumidifier ("Product") as follows:

Two-Year Warranty: The Product will be free of material defects in workmanship or materials for two (2) years from the date of initial purchase by the original customer.
Six-Year Warranty: The Product's components will be free of material defects in workmanship or materials for six (6) years from the date of initial purchase.

Limitation of Remedies

The customer's sole and exclusive remedy is, at Therma-Stor's option, replacement or repair of the Product or its components by Therma-Stor or its authorized agents. Refrigerant, piping, supplies, transportation costs, and labor costs for repair or replacement are not included. This disclaimer applies even if the express warranty and limited remedy fail of their essential purpose.

Disclaimer of Warranties

Except for the limited warranty provided, Therma-Stor disclaims all express and implied warranties, including the implied warranties of merchantability and fitness for a particular purpose.

Warranty Limitations

The limited warranty extends only to the original customer and is void upon attempted assignment or transfer. A "defect" does not include problems resulting from misuse, improper installation, improper system design, abuse, lack of normal care, failure to follow instructions, tampering, improper repair, freezing, corrosion, acts of nature, or other causes not arising from Therma-Stor's workmanship or material. Warranty periods are not extended by replacements. The warranty does not cover costs for changes required by codes or regulations enacted after purchase.

Customer Responsibilities

To obtain warranty coverage, the customer must submit a valid warranty claim to Therma-Stor before the end of the applicable warranty period. Proof of purchase (invoice) is required. If the purchase date is unclear, the product's manufacture date will be used. Warranty service must be performed by Therma-Stor or an authorized servicer. Contact Therma-Stor at 1-800-533-7533 for warranty service. Service is performed during normal business hours. If the product requires shipment for service, the customer is responsible for packaging, freight charges, and risk of loss.

Limitation of Liability

In no event shall Therma-Stor be liable for any special, direct, indirect, collateral, or consequential damages related to the product's design, sale, installation, use, repair, replacement, or performance, to the extent allowed by law. Therma-Stor's total liability shall not exceed the purchase price of the product, component, or part.

Applicable Law and Venue

Any arbitration, enforcement of arbitration, or litigation related to the product will be brought exclusively in Dane County, Wisconsin. The customer consents to the jurisdiction of the federal and state courts located therein and waives the right to change venue.

Miscellaneous

If any term of this Limited Warranty is found invalid or unenforceable, the remaining terms remain in effect. Any delay or failure by Therma-Stor to exercise a right does not constitute a waiver.

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