Bradford White 46392H, Инструкция по установке и эксплуатации

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Water Connections continued-
Figure 4 - Water Boiler Piping with Circulators
CONNECT STEAM BOILER SUPPLY PIPING
Figure 5 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 5 – Typical Steam Boiler Connections (connections available
below the water line)