ECR International CHB Application Manual page 35

Piping Diagram - LWCO Location
Low Water Cutoff (LWCO)
Position Above Top of Boiler
To Supply
Safety Relief
Valve
* Check Local
Codes for Maximum
Distance to Floor
Note DO NOT PLACE ISOLATION VALVE
1
BEFORE LWCO.
OPTIONAL EQUIPMENT - LOW WATER CUTOFF
.
*Pipe To
Drain
12" (304.8mm)
Maximum Distance
Note
Air Vent
Note
1
35
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.
Minimum
Acceptable Height
for LWCO Control
Gas Supply
Return Water
PN 240011074 REV C, [11/01/2017]