7
CONNECTING SUPPLY AND RETURN PIPING
Suggested piping for steam heating system can be
1.
seen in
Figure #7
. Actual piping may vary based on
system design and local conditions.
For further piping information refer to the I=B=R instal
-
2.
lation piping guide.
See
3.
Figure #8
for typical piping for domestic hot water
heater.
See
4.
Figures #9
and
#10
for the suggested piping for a
modular steam boiler.
SUGGESTED PIPING FOR MODULAR
STEAM BOILERS - PUMPED RETURN
CHECK
VALVE
BLOWOFF
VALVE
SOLENOID
VALVE
(OPTIONAL)
F & T TRAP HIGH
LEVEL "SPILL"
(DO NOT USE WITH
CONDENSATE PUMP)
TO
RECEIVER
TANK
STEAM MAIN
TRAP
PUMPED RETURN
TO
SYSTEM
FROM
RECEIVER
TANK
FROM
RECEIVER
TANK
STOP
VALVE
TO
RECEIVER
TANK
STOP
VALVE
PIPING FOR BUILT-IN
DOMESTIC HOT WATER HEATER
PIPING FOR BUILT-IN
DOMESTIC HOT WATER HEATER
COLD WATER IN
UNTEMPERED
HOT
FLOW
REGULATOR
TEMPERING VALVE
COLD WATER
DOMESTIC
HOT WATER
T & P VALVE
UNTEMPERED HOT WATER TO
AUTOMATIC WASHER
CONTROL
WATER
INSTALLED BELOW CENTER
LINE OF BOILER HOT
CONNECTION
SUGGESTED PIPING FOR MODULAR
STEAM BOILERS - GRAvITY RETURN
RETURN
GRAVITY RETURN
2"
TO
SYSTEM
STOP
VALVE
BLOWOFF
VALVE
STOP
VALVE
CHECK
VALVE
(OPTIONAL)
STEAM MAIN
WATER
LINE
28"
Figure #7
Figure #8
Figure #9
Figure #10
