Westinghouse HS120A1G-LP
Westinghouse Tankless Water Heater User Manual
Model: HS120A1G-LP | Brand: Westinghouse
1. Product Overview
This manual provides essential information for the safe and efficient operation of your Westinghouse Tankless Water Heater, Model HS120A1G-LP. This unit is designed for outdoor installation and uses liquid propane to provide on-demand hot water for residential or commercial applications.
Image: The Westinghouse Tankless Water Heater (gray unit) shown alongside its black remote control panel.
2. Key Features
- On-Demand Efficiency: Heats water only when needed, contributing to energy and cost savings.
- Smart Temperature Control: Remote control panel allows for easy temperature adjustments. The advanced water flow servo maintains water temperature within ±1°F, preventing sudden temperature fluctuations.
- High Capacity: 120,000 BTU output and up to 5.1 GPM (Gallons Per Minute) can supply hot water to 2-4 fixtures simultaneously.
- Safety Certified: CSA-certified for reliable operation, featuring a precision variable-speed fan and freeze protection system.
- User Interface: Remote control LED panel displays temperature, operational status, and error codes.
Image: The tankless water heater mounted on the exterior wall of a house, illustrating its outdoor installation and connection points.
Image: A graph comparing the stable temperature output of the Westinghouse unit (orange line) against a regular product's fluctuating temperature (gray line), demonstrating consistent hot water delivery.
3. Safety Information
Adherence to safety guidelines is crucial for proper operation and to prevent damage or injury. This appliance must be installed and serviced by qualified personnel in accordance with all local codes and regulations.
3.1 General Safety Precautions
- Ensure the unit is connected to a 120V AC power source.
- Do not operate the unit if any part has been submerged in water.
- Keep flammable materials away from the water heater.
- Regularly inspect the unit for any signs of damage or leaks.
3.2 Freeze Protection
The unit is equipped with a freeze protection system. However, in temperatures below 5°F (-15°C) or during extended periods of non-use, it is recommended to fully drain the system to prevent potential damage from freezing water.
Image: The outdoor tankless water heater installed on a house wall during snowy weather, highlighting its stable operation in extreme conditions with windproof, rainproof, and anti-freeze features.
Image: The water heater with icons representing its six security protections, including IPX4 Waterproof, Dry-burning Prevention, Overheat Protection, Anti-freeze Protection, Time-out Shutdown, and Accidental Flameout Protection, along with a CSA Certificate of Compliance.
4. Package Contents
Verify that all components are present before beginning installation:
- Tankless Water Heater x 1
- User Manual x 1
- Wire Control Panel x 1
5. Installation
This Westinghouse tankless water heater is designed for outdoor installation only. Professional assistance is strongly recommended for optimal safety and performance during installation.
5.1 Site Requirements
- The installation location must be outdoors and provide adequate ventilation.
- Ensure the mounting surface is structurally sound to support the unit's weight (approximately 37.1 pounds).
- Access to a 120V AC, 60 Hz power source is required.
5.2 Plumbing Connections
The unit features standard 3/4" NPT connections for water inlet, water outlet, and gas inlet. Ensure all connections are properly sealed to prevent leaks.
Image: A detailed diagram showing the outdoor installation of the water heater with labeled connections for Water Inlet (3/4" NPT), Water Outlet (3/4" NPT), Gas Inlet (3/4" NPT), and the 120 VAC 60 Hz power supply.
Image: An illustration detailing the installation process, showing included accessories like the user manual, wire control panel, and mounting hardware. It also indicates required purchases such as a service valve kit for proper plumbing integration.
6. Operation
The Westinghouse Tankless Water Heater is controlled via the included remote control panel. This panel allows you to adjust settings and monitor the unit's status.
6.1 Remote Control Panel
The remote control panel features an LED display that shows the current water temperature, working status, and any error codes. Buttons are provided for power, temperature adjustment (Heat Up/Heat Down), and unit conversion (°F/°C).
Image: The black remote control panel with an illuminated digital display showing temperature and various icons for operational status.
Image: A close-up of the smart controller, highlighting its touchscreen design and various function icons such as Switch, Heat Up, Heat Down, °F/°C Converter, Water Signal, Fan Signal, Flame Signal, and Fahrenheit display.
6.2 Temperature Adjustment
Use the 'Heat Up' and 'Heat Down' buttons on the remote control to set your desired water temperature. The unit's intelligent system will modulate the flame and water flow to maintain the set temperature with minimal fluctuation.
7. Maintenance
Regular maintenance ensures the longevity and efficiency of your tankless water heater.
7.1 System Draining
In regions prone to freezing temperatures or if the unit will be inactive for an extended period, it is critical to fully drain the water heater system. This prevents water from freezing inside the pipes and heat exchanger, which can cause severe damage.
7.2 Professional Servicing
It is recommended to have the unit inspected and serviced by a qualified technician annually to ensure optimal performance and safety.
8. Troubleshooting
If you encounter issues with your water heater, refer to the LED display on the remote control for error codes. Consult the comprehensive User Manual (PDF) provided with your unit for a detailed list of error codes and corresponding troubleshooting steps.
Common Considerations:
- No Hot Water: Check gas supply, power connection, and water flow. Ensure the unit is turned on.
- Fluctuating Temperature: Verify adequate water pressure and flow rate. Ensure no other hot water fixtures are in use simultaneously if the unit is at its capacity limit.
- Low Flow: Check for kinks in water lines or blockages in the inlet filter.
9. Specifications
Image: A visual representation of the water heater's dimensions (15.5"W x 23.9"H x 7.3"D) alongside a table of key specifications.
| Specification | Value |
|---|---|
| Brand | Westinghouse |
| Model Number | HS120A1G-LP |
| Product Dimensions | 15.5"W x 23.9"H |
| Item Weight | 37.1 pounds |
| Color | Gray |
| Wattage | 42 Watt-hours |
| Voltage | 120 Volts (AC) |
| Maximum Flow Rate | 5.1 Gallons Per Minute |
| Heat Output | 120,000 BTU per Hour |
| Maximum Operating Pressure | 150 Pound per Square Inch |
| Mounting Type | Wall |
| Installation Method | Wall-Mounted |
| Maximum Gas Consumption | 120,000 BTU/h |
| Temperature Range | 95-158°F |
| Start-up Water Flow | 0.53 GPM |
| Power | 120VAC plug-in |
Image: A map of North America indicating ground water temperatures by region, accompanied by a chart that helps determine the unit's capacity (GPM) and approximate usage based on inlet water temperature for an outlet temperature of 110°F.
10. Warranty & Support
Westinghouse stands behind the durability and performance of this tankless water heater with comprehensive warranty coverage and after-sale support.
10.1 Warranty Coverage
- Full Unit: 2 years
- Heat Exchanger: 5 years
Please retain your proof of purchase for warranty claims.
10.2 Additional Resources
For detailed installation instructions, troubleshooting, and other information, please refer to the official documents:
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