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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

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