UTICA BOILERS UH15B Series Installation, Operation & Maintenance Manual page 11

Figure 3 - Bypass Piping -Automatic Mixing Valve, See Bypass Piping Options, Page 8
Figure 4 - Bypass Piping - Fixed Low Temp Only, See Bypass Piping Options, Page 8
5 - CONNECTING SUPPLY AND RETURN PIPING
TO SYSTEM
WATER INLET
EXPANSION
TANK
CIRCULATOR
SHUT-OFF
VALVE
BOILER
PRESSURE
BALL VALVE
REDUCER VALVE
3 WAY MIXING
CHECK VALVE
VALVE
11
FROM SYSTEM
Note: Bypass
connection not showing
primary/secondary
ALTERNATE piping
CIRCULATOR
LOCATION
AIR SEPARATOR
HOSE BIB
Note: Bypass
connection not showing
primary/secondary
piping
BALANCING VALVE
PN 240011107, Rev. E [06/15/2018]