

The PH2-25 is perfect for average homes with 1 or 2 bathrooms.
The PH2-25ROF can support up to 2 to 3 major hot water functions in areas with warm climates. It is not recommended for installation in areas with freezing climates. It is also convertible for commercial use of up to 185°F by simply adding of a hi-temp computer chip.
Except for the label, this heater is identical to the Rheem RTG-84XLN. Paloma has owned Rheem since 1988.
Features
• Low NOx burner
• High altitude capable
• Self diagnostic system
• 0.4 GPM Activation flow rate
• 0.26 GPM Minimum flow rate
• Freeze protection up to -30°F
• Accepts preheated water up to 140°F
• Optional upgrade available for output maximum of 185°F
• Residential & commercial applications
• Connect up to 20 units simultaneously
• Supports both vertical & horizontal venting
• Wired temperature remote control included
• Supplied 120V power cord with indoor direct vent models
• Integrated appliance adapter and condensate drain simplifies venting with indoor direct vent models
Safety
• Overheat limit wrap
• Anti-scald protection
• Flame failure monitor
• Temperature controller is adjustable to prevent scalding
• Flame rods ensure proper firing while detecting flame failure
• Resin film surrounding the combustion chamber for overheating detection
• Incomplete Combustion Avoidance Device (ICAD) monitors combustion for unsafe carbon monoxide
Covenience
• Digital controller
• Endless hot water
• Diagnostic display
• Changes temperature settings precisely and instantly with the touch of a button
Specifications
Model Number | PH2-25ROFLN |
Installation Type | Outdoor |
Gas Type | Natural Gas |
Minimum BTU/Hour | 11,000 |
Maximum BTU/Hour | 180,000 |
Efficiency % | 84% |
Energy Factor (EF) | 0.82 |
Minimum Water Flow | 0.26 GPM |
Activation Flow | 0.4 |
Max Water Flow at 35ºF ∆T | 8.4 GPM |
Dimensions | 25 5/8" High x 13 7/8" Wide x 8 7/8" Deep |
Temperature Range ºF | 85-140 (185 with Hi-Temp Chip) |
Gas Connection | 3/4" MNPT |
Water Connection | 3/4" MNPT |
Inlet Gas Pressure (W.C.) | Natural Gas: 4.5 - 10.5 |
Water Pressure PSI | 14 - 150 |
Electrical Requirement | 120V / 60 Hz AC / 2 Amps |
Power Cord Installed | No |
Freeze Protection | Yes - (-30ºF not including wind chill) |
Digital Controller | Yes - UMC-117 Main Controller |
Electronic Manifold Ready | Yes - with optional controller |
DUOnex Ready | Yes - with optional DUOnex cable |
Venting | N/A |
Max Vent length | N/A |
High Altitude Capable | Yes |
Low Nox Compliant | Yes |
Approvals | Energy Star - CSA - GAMA - NSF |
Warranty | 12 yrs. Heat Exchanger / 5 yrs. Parts / 1 yr. Labor |
Warranty
Residential
• 12 Year Warranty on Heat Exchanger
• 5 Year Warranty on Parts
• 1 Year Warranty on Service
Commercial
• 5 Year Warranty on Heat Exchanger
• 5 Year Warranty on Parts
• 1 Year Warranty on Service