Paloma PH2-20R OFN Engineering Handbook page 101

Tankless gas water heaters mid efficiency models high efficiency condensing models
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EXTERNAL DIMENSIONS
(PHH-25ROF & PHH-32ROF Outdoor Models)
18 1/2" (470 mm)
Exhaust Outlet
Air Intake
5 1/2" (140 mm)
Hot Water Outlet
Connection 3/4" NPT (M)
2 1/4" (57 mm)
For Power Cord
Drain
For Remote Control
Outlet
Connection
9/16" (15 mm)
2 7/8" (72 mm)
3 7/16" (88 mm)
7 1/2" (190 mm)
6 11/16" (170 mm)
(PHH-25RDV & PHH-32RDV
Direct Vent Models)
18 1/2" (470 mm)
17 3/4" (451 mm)
Hot Water Outlet
Water Inlet Connection 3/4" NPT (M)
Connection 3/4" NPT (M)
4 3/4" (120 mm)
For Remote Control Connection
Drain Outlet
3 7/16" (88 mm) 6 11/16" (170 mm)
7 1/2" (190 mm)
Gas Connection 3/4" NPT (F)
(W/Supplied Gas Shutoff Valve)
Water Inlet Connection 3/4" NPT (M)
9 7/16" (240 mm)
3/4" (18.5 mm)
9 7/17" (240 mm)
Gas Connection 3/4" NPT (F)
(W/ Supplied Gas Shutoff Valve)
For Power Cord
5 15/16" (152 mm)
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