43
PN 240012875 REV. D [03/15/2022]
PIPING DIAGRAM - LWCO LOCATION
LOW WATER CUTOFF
1
DO NOT PLACE ISOLATION VALVE
BEFORE TEE OR LWCO.
Note
Arrange piping to prevent water
dripping onto boiler.
Illustrations are meant to show
system piping concept only. Installer
is responsible for all equipment and
detailing required by authority having
jurisdiction.
Air Vent
Supply
Gas
Boiler
Safety Relief
Valve
Position LWCO Above
Top of Boiler
*To Drain
* Check Local Codes for
Maximum Distance to
Floor.
1
Return
Magnetic
Dirt
Separator
Purge Valve
Purge Valve
1
Note
Note
Summary of Contents for 100F
Page 33: ...33 PN 240012875 REV D 03 15 2022 MODEL 75 100 HEAT ONLY 75 100 HEAT ONLY WIRING DIAGRAM ...
Page 34: ...34 PN 240012875 REV D 03 15 2022 MODEL 125 HEAT ONLY 125 HEAT ONLY WIRING DIAGRAM ...
Page 35: ...35 PN 240012875 REV D 03 15 2022 MODEL 165 HEAT ONLY 165 HEAT ONLY WIRING DIAGRAM ...
Page 36: ...36 PN 240012875 REV D 03 15 2022 115 COMBI WIRING DIAGRAM MODEL 115 COMBI ...
Page 37: ...37 PN 240012875 REV D 03 15 2022 MODEL 150 COMBI 150 COMBI WIRING DIAGRAM ...
Page 38: ...38 PN 240012875 REV D 03 15 2022 MODEL 205 COMBI 205 COMBI WIRING DIAGRAM ...
Page 44: ...44 PN 240012875 REV D 03 15 2022 LOW WATER CUTOFF LOW WATER CUTOFF DETAIL NO NO YES ...
Page 49: ...49 PN 240012875 REV D 03 15 2022 3 FAULT SOLUTION SECTIONS ...