SUITABLE FOR RESIDENTIAL & COMMERCIAL APPLICATIONS


Model

PH-28CIFSN (Natural Gas)
PH-28CIFSP (L.P. Gas)

PH-28COFN (Natural Gas)
PH-28COFP (L.P. Gas)

Rated Gas Input
(Btu/Hr.)
19,000 (Min.)
199,900 (Max.)(Modulating)
19,000 (Min.)
199,900 (Max.)(Modulating)
Dimensions (in.) 25.375" (H), 14.875" (W), 11.125" (D)
Net Weight (lbs.) 55
Working Water Pressure 14 psi (Min.); 150 psi (Max.)
Min. Water Flow 0.66 Gallon/Minute
Max. Water Flow 7.4 GPM at 45°F Temperature Rise, 23 psi
Performance: Water Flow Rate gal/min Temperature Rise
7.4 45°F
6.7 50°F
5.6 60°F
4.8 70°F
4.2 80°F
3.7 90°F
3.4 100°F
Gas Connection 3/4" NPT Female (With Supplied Gas Shutoff Valve)
Water Connection 3/4" NPT Male
Manifold Pressure
(in. w.c.)
Contact your distributor, dealer whom you purchased the water heater or Paloma.
Vent Size 4" Special Venting N/A (Outdoor installation)
Efficiency Rating 84%
Energy Factor 0.82
Inlet Gas Pressure
before water heater
Natural Gas: Min. 4.0" w.c.; Max. 10.5" w.c.
L.P. Gas: Min. 8.0" w.c.; Max. 14.0" w.c.
(Do not exceed maximum pressure)

Hot Water Supply

Factory Setting 100°F ~ 120°F
Adjusting Range Main Control 100°F ~ 180°F
Bath Control 100°F ~ 120°F
Max. Setting Up to 180°F (With Main Control & Dip Switch)
Combustion System Fan Assisted Combustion
Main Burner Bunsen Type Burner
Ignition Electric Continuous Sparking
Electrical Portion Electrical Rating 120 VAC/60Hz, Less than 2 Amps
Wire 3 Pin Power Supply Cord 10 Feet (Indoor)
Fuse 3A Fuse x 2
Fan Motor Turbo Fan
Safety Devices Oxygen Depletion Safety Device Sensing Burner (Indoor Model Only)
Over Heat Limiter for Heat Exchanger Film Type Over Heat Limiter for
Entire Heat Exchanger
Flame Failure Safety Device Flame Rod Type
Lime Claim Warning System Display De-scale Warning
Max. Vent Length 37.5 Feet Three 90 Degree Elbows N/A (Outdoor Installation)
Freeze Protection Minus 30°F (Without Wind-Chill Factor)
Remote Controller One Digital Main Remote Control (USC1-117) is included.
Manifold Installation Manifold Installation 2 Units ~ 6 Units (With Optional MIC-180 Control)
Manifold Installation 7 Units ~ 20 Units (With Optional MICS-180 Control)
Optional Communication Cables (16, 32 & 65 feet)
Optional Controls First Digital Bath Digital Remote Control (USC1-117)
Second Digital Bath Digital Remote Control (USC2-117)
Warranty 3 years (Heat Exchanger); 3 years (Parts)