AM Series Boilers and Water Heaters
CHAPTER 4: INSTALLATION - PIPING
OMM-0100_0D
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
Page
39
of
154
GF-146
Ph.: 800-526-0288
03/28/16
Figure 4-1: Installation of Boiler Relief Valve
4.9 Low Water Cutoff (LWCO)
A low water cutoff (LWCO) (Figure 4-2) must be installed on the outlet piping of the boiler, and
before any intervening valves (Figure 4-3). When installing such a device, you must consult and
abide by all local codes and regulations in force.
Figure 4-2: Low Water Cutoff (LWCO)
NOTE
In AM water heater systems configured with the AM Rapid
Recovery Skid option, the LWCO is factory installed as shown in
Figure 2-6 of Section 2.5.4.
SAFETY RELIEF
VALVE 1
TEMPERATURE AND
PRESSURE GAUGE 1
HOT WATER SUPPLY
ELBOW 1
RELIEF VALVE DISCHARGE
PIPING 1 (pipe to within 18”
of ground)
WATER RETURN
SAFETY RELIEF
VALVE 2
TEMPERATURE AND
PRESSURE GAUGE 2
SAFETY RELIEF
VALVE 3
TEMPERATURE AND
PRESSURE GAUGE 3
ELBOW 2
RELIEF VALVE DISCHARGE
PIPING 2 (pipe to within 18”
of ground)
ELBOW 3
RELIEF VALVE DISCHARGE
PIPING 3 (pipe to within 18”
of ground)
