
26
FIGURE 6-2 - Piping Diagram - LWCO Location
6 - HYDRONIC PIPING
240012564 REV A, [05/15/2019]
Low Water Cutoff (LWCO)
(See Figure 6-5 for detail)
Air Vent
Supply
Safety Relief
Valve
Position LWCO Above
Top of Boiler
1
DO NOT PLACE ISOLATION VALVE
BEFORE TEE OR LWCO.
Note
*To
Drain
* Check Local Codes for
Maximum Distance to
Floor.
Arrange piping to prevent
water dripping onto boiler.
1
Return
Purge Valve
Magnetic
Dirt
Separator
Position Temperature/
Pressure Gauge on CH
System Supply Side
of Boiler.
Purge Valve
Note
Illustrations are meant to
show system piping concept
only. Installer is responsible
for all equipment and detailing
required by authority having
jurisdiction.
Note