Xylem MM 315E Models 51, 51S and 53 Boiler Water Feeders Models 51-2, 51-S-2 and 53-2 Feeder Cut-Off Combinations - Manual (Page 4)

4
Strainer
Basket
Assembly
Swing Check Valve
By-pass
Hand By-Pass Valve
Connect to return
header on boiler
side of all valves
City Water
Supply
Supply To
Feeder
CAUTION
Before turning
on city water
pressure be
sure to open
this valve
a. Follow the drawing to the right for piping the
valve to boiler and city water supply. When
piping the valve remember to leave room for
servicing the valve.
Models 51 / 51-2, Models 51-S / 51-S-2 and Models 53 / 53-2
For Steam or Hot Water Boilers
INSTRUCTIONS FOR PIPING THE WATER FEEDER VALVE
TOOLS NEEDED:
Two (2) pipe wrenches.
STEP 1 - Piping the Valve on Models 51/51-2
Swing Check Valve
By-pass
Hand By-Pass
Valve
Connect to return
header on boiler
side of all valves
CAUTION
Before turning
on city water
pressure be
sure to open
this valve
City Water
Supply
Supply
Valve
Strainer
Basket
Assembly
a. Follow the drawing to the right for piping the
valve to the boiler and city water supply.
When piping the valve remember to leave
room for servicing the valve.
STEP 2 - Piping the Valve on Models 51-S/51-S-2, 53/53-2