UTICA BOILERS UB95M-200 Installation, Operation & Maintenance Manual page 42

Piping Diagram 8 : Bypass Piping (Automatic Mixing Valve)
TO SYSTEM
WATER INLET
CIRCULATOR
Piping Diagram 9 : Bypass Piping (Fixed Low Temp Only)
SHUT-OFF
VALVE
TO SYSTEM
WATER INLET
APPENDIX A - BOILER PIPING AND WIRING
EXPANSION
TANK
PRESSURE
REDUCER VALVE
CHECK VALVE
SYSTEM
CIRCULATOR
EXPANSION
CIRCULATOR
SHUT-OFF
VALVE
BOILER
BALL VALVE
3 WAY MIXING
VALVE
V1 V2
TANK
BOILER
PRESSURE
REDUCER VALVE
42
CHECK VALVE
FROM SYSTEM
ALTERNATE
CIRCULATOR
LOCATION
AIR SEPARATOR
HOSE BIB
FROM SYSTEM
ALTERNATE
CIRCULATOR
LOCATION
BALL VALVE
AIR SEPARATOR
ZONE VALVE