Rheem Professional Classic® Power Vent Gas Water Heaters
Offering up to 150 Foot Vent Runs, Energy Efficiency, and the Guardian System
Key Features and Benefits
Efficiency:
- 0.65 - 0.70 UEF (Uniform Energy Factor)
Performance:
- First Hour Rating (FHR): 66 - 86 gallons
- Recovery Rate: 32.4 to 42.4 GPH at a 90° F rise
Self-Diagnostic System:
- Electronic gas control for improved monitoring and service.
Low Emissions:
- Eco-friendly burner with a low NOx design.
Features:
- Uses indoor air for combustion; a blower exhausts the flue gases.
- Standard 120 VAC electrical connection.
- New whisper quiet blower.
Guardian System™ & Sensor:
- Exclusive air/fuel shut-off device.
- Maintenance-free design - no filter to clean.
- Protective control system that disables the heater in the presence of flammable vapor accumulation.
Combustion Shut-off System Description: The system includes a flame arrestor plate and is designed to be maintenance-free.
Flexible Venting Options:
- Supports long venting lengths up to 150 equivalent feet.
- Compatible with PVC, ABS, or CPVC vent pipe options.
- Allows for vertical or horizontal termination.
Longer Life:
- Premium grade anode rod provides long-lasting tank protection.
High Altitude Compliant:
- All models are certified for applications up to 7,800 ft. above sea level.
Additional Features:
- Side water connections are available on select models for space heating applications.
- Features an enhanced flow brass drain valve.
- Includes a temperature and pressure relief valve.
- Low lead compliant.
- Equipped with the EverKleen® patented system to fight sediment build-up.
- A High Ambient Temperature Service Kit is available for installations from 100-175° F.
- Standard replacement parts are available.
Warranty:
- 6-Year limited tank and parts warranty.
- With the ProtectionPlus® option, the 6-year limited tank warranty extends to 10 years.
Units meet or exceed ANSI requirements and have been tested according to D.O.E. procedures. They also meet or exceed the energy efficiency requirements of NAECA, ASHRAE standard 90, ICC Code, and all state energy efficiency performance criteria.
Professional Classic® Power Vent - 40 and 50-Gallon Capacities
Available for Natural and LP Gas, with up to 42,000 BTU/h input.
Specifications Overview:
| Model | Gas | Nominal Capacity (Gallons) | Gas Input (MBTU/H) | Recovery (GPH @ 90°F Rise) | First Hour Rating (Gallons) | Energy Factor (UEF) | Dimensions (Inches) |
|---|---|---|---|---|---|---|---|
| PROG40-40N RH67 PV | Natural | 40 | 40 | 40.4 | 86 | 0.69 | Tall: H 66-1/4", Dia 19-3/4" |
| PROG40-36P RH67 PV | Propane | 40 | 36 | 36.4 | 71 | 0.68 | Tall: H 66-1/4", Dia 19-3/4" |
| PROG50-42N RH67 PV | Natural | 50 | 42 | 42.4 | 78 | 0.68 | Tall: H 65-1/2", Dia 21-3/4" |
| PROG50-42P RH67 PV | Propane | 50 | 42 | 42.4 | 78 | 0.68 | Tall: H 65-1/2", Dia 21-3/4" |
| PROG40S-36N RH67 PV | Natural | 40 | 36 | 36.4 | 66 | 0.65 | Short: H 58-1/4", Dia 21-3/4" |
| PROG40S-32P RH67 PV | Propane | 40 | 32 | 32.4 | 66 | 0.65 | Short: H 58-1/4", Dia 21-3/4" |
| PROG50S-36N RH67 PV | Natural | 50 | 36 | 36.4 | 78 | 0.70 | Short: H 58-1/4", Dia 23-3/4" |
| PROG50S-32P RH67 PV | Propane | 50 | 32 | 32.4 | 78 | 0.70 | Short: H 58-1/4", Dia 23-3/4" |
| PROG50-42N RH PV AX | Natural | 50 | 42 | 42.4 | 78 | 0.68 | Tall w/ Side Taps: H 65-1/2", Dia 21-3/4" |
| PROG50-42P RH PV AX | Propane | 50 | 42 | 42.4 | 78 | 0.68 | Tall w/ Side Taps: H 65-1/2", Dia 21-3/4" |
Note: Uniform Energy Factor and rated gallon capacity are based on Department of Energy (DOE) requirements.
Vent Length Specifications
Maximum and Minimum Vent Lengths for 2" - 3" Vents (Up to 2,000 Ft. Above Sea Level)
| Model | Gas | Heater Input (Btu/hr.) | Vent Diameter (Inches) | Vent Length (Feet/Meters) | Max Allowed Equivalent Vent Length (Feet/Meters) | Vent System Termination | ||
|---|---|---|---|---|---|---|---|---|
| All | Natural & Propane | 42,000, 40,000, 36,000, 32,000 | 2 | 7 | 2.1 | 55 | 16.7 | 45° Elbow |
| All | Natural & Propane | 42,000, 40,000, 36,000, 32,000 | 3 | 7 | 2.1 | 150 | 45.7 | 45° Elbow |
Maximum and Minimum Vent Lengths for 2" - 3" Vents (From 2,000 Ft. through 7,800 Ft. Above Sea Level)
| Model | Gas | Heater Input (Btu/hr.) | Vent Diameter (Inches) | Vent Length (Feet/Meters) | Max Allowed Equivalent Vent Length (Feet/Meters) | Vent System Termination | ||
|---|---|---|---|---|---|---|---|---|
| 40 Gallon | Natural | 40,000 | 2 | 7 | 2.1 | 25 | 7.6 | 45° Elbow |
| 40 Gallon | Propane | 36,000 | 3 | 7 | 2.1 | 150 | 45.7 | 45° Elbow |
| 40 Gallon | Natural & Propane | 36,000, 32,000 | 2 | 7 | 2.1 | 35 | 10.6 | 45° Elbow |
| 40 Gallon | Natural & Propane | 36,000, 32,000 | 3 | 7 | 2.1 | 150 | 45.7 | 45° Elbow |
| 50 Gallon | Natural | 42,000, 36,000, 32,000 | 2 | 7 | 2.1 | 40 | 12.2 | 45° Elbow |
| 50 Gallon | Propane | 42,000, 36,000, 32,000 | 3 | 7 | 2.1 | 150 | 45.7 | 45° Elbow |
Note: For the 2" and 3" vent, one 90° elbow is approximately equal to 5 feet of pipe. One 45° elbow is approximately equal to 2.5 feet of pipe.
High Ambient Installations
| Part | Temperature Rating | Vent Length | Venting Material Required | Fitting Material Required |
|---|---|---|---|---|
| SP21171 - High Ambient Temperature Kit | 100-175° F | First 10 equivalent feet of vent pipe and/or fittings must be of CPVC or ABS | CPVC (Schedule 40, ASTM F441) / ABS (Schedule 40, ASTM D2661) | CPVC (Schedule 40, ASTM F438) / ABS (Schedule 40 DWV, ASTM D2661) |
Refer to the Use and Care Manual for additional information and instructions.
In keeping with its policy of continuous progress and product improvement, Rheem reserves the right to make changes without notice.
Rheem Manufacturing Company
