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3"/5" Concentric Venting for PH2-28, PH2-25, PH-20 Direct Vent
4" Venting For PH-28
3" Venting For PH-20

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1. Paloma PH-28C 7.4 GPM Commercial Tankless Water Heater
2. Paloma PH2-20R 5.3 GPM Residential and Commercial Tankless Water Heater
3. Paloma PH2-25R 6.6 GPM Residential and Commercial Tankless Water Heater

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Paloma Tankless Water Heaters at PalomaStore.com :: Tankless Water Heaters :: Paloma PH2-25R 6.6 GPM Residential and Commercial Tankless Water Heater

Paloma PH2-25R 6.6 GPM Residential and Commercial Tankless Water Heater
Paloma PH2-25R 6.6 GPM Residential and Commercial Tankless Water Heater 
PH2-25R 6.6 GPM Tankless Water Heater
The PH2-25 is an excellent hot-water solution for the average 1- and 2-bath home. It will support one shower plus additional household use at the same time.
  • Endless hot water on demand
  • Energy-saving design
  • Energy efficiency - 30% more efficient than tank-type water heaters
  • Compact, space-saving design
  • .26 GPM minimum flow rate, .40 GPM minimum activation flow rate
  • Manifold up to 6 units with optional MIC-6 manifold control board
  • Manifold up to 20 units with optional MIC-180 manifold control assembly
  • Paloma's exclusive sensing burner and ICAD Safety System to optimize combustion and shut down the unit in case of raised levels of carbon monoxide (indoor units only)
  • Self-diagnostic program
  • Waterproof digital remote control for convenience, comfort, and ease of maintenance
  • Remote control displays adjustable temperature settings
  • Optional, additional remote controls available
  • Intelligent electronic controls designed to increase energy efficiency and safety
  • Exclusive film wrap overheat limiter
  • Indoor models are direct vent and use 3" by 5" Concentric Category III stainless steel venting material
  • May be installed as part of a circulating water system
  • Built-in electric blower on all models
  • Low NOx emissions meet SCAQMD Rule 1121 requirements
  • Easy expansion with Solo/Duo System
  • Extensive diagnostics and error display
  • Shipped unit may be RUUD or RHEEM
Residential Warranty
  • 12-Year Limited Warranty on Heat Exchanger
  • 5-Year Limited Warranty on Parts

Specifications for the Paloma PH2-25R Series


Outdoor Model

Indoor/Driect Vent?Model

Natual Gas Model Number



Propane Model Number



Rated Gas Input (BTUs/Hr)

11,000 Minimum
180,000 Maximum


13 7/8" (W) x 23 5/8"(H) x 8 7/8" (D)

13 7/8" (W) x 23 5/8"(H) x?9 7/8" (D)

Empty Net Weight

54 lbs.

Working Water Pressure

14 PSI minimum, 150 PSI maximum

Water Flow Rate

0.26 GPM minimum,?8.4 GPM maximum

Gas Connection

3/4" NPT Female (with supplied gas shutoff valve)

Water Connection

3/4" NPT Male

Vent Size

N/A (Outdoor Installation)

3"/5" Concentric Category III Stainless Steel Venting Required

Efficiency Rating


Energy Factor


Electrical Rating

120 VAC/60 Hz, Less than 2 Amps

Weight 54.00 lbs
Price: $575.00

Water Heater Type
Gas Type

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