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CONNECT STEAM BOILER SUPPLY PIPING
Figure 4 represents a typical steam boiler connection diagram.
Refer to the boiler installation manual or contact the boiler
manufacturer for an appropriate piping diagram. The use of a
union, shut-off valves, and a drain valve is recommended for future
service convenience. The use of an in-line “Y”-style strainer is
required to prevent accumulation of sludge in the water heater’s
coil.
Figure 4 – Typical Steam Boiler Connections (connections available
below the water line)
NOTICE
Typical steam boiler wit
hout connections available below the water line is not
recommended due to insufficient water temperature, especially during
warmer months when the space heating system is not operational. Boiler
water temperature at the bottom of a steam boiler can be 50°
F lower than the
boiler’s water temperature limit setting during such periods.
FILL BOILER SYSTEM
1. On new boiler installations, do not purge the boiler or space
heating system through the water heater. During any boiler or
space heating system flushing, cleaning, or purging, the water
heater should be isolated to avoid possible attack on the
carbon steel coil by chemical additives.
2. Purge air from boiler/water heater piping.
3. Check system for leaks. Repair as necessary.
INTERNET VERSION FOR REFERENCE ONLY