UTICA BOILERS UBSSC-050 Installation, Operation & Maintanance Manual page 15

5-7A SINGLE BOILER USING PRIMARY/SECONDAY PUMPING
12"/305mm
Max. apart
CH/System
Pump
5-7B SINGLE BOILER USING PRIMARY/SECONDAY PUMPING
12"/305mm
Max. apart
CH/System
Pump
Heat exchanger
ball valve open
5 - HYDRONIC PIPING
12"/305mm Max. apart
Existing closely spaced tees
in primary system loop
Heat exchanger
ball valves closed
12"/305mm Max. apart
Existing closely spaced tees
in primary system loop
Limit length
5'/1.6 m
Limit length
5'/1.6 m
15
to
3/8"/10mm Open
End Wrench
to
3/8"/10mm Open
End Wrench