Vanguard Heating VP2200ITA Checking, Connections, To Gas, Supply, Continued, and/or fittings

CONNECTING IMPORTANT: Hold pressure regulator with wrench when connecting it to gas piping
and/or fittings.
TO GAS
SUPPLY
Continued
Pressure Regulator
Regulator Bracket
Heater		1/2" NPT
		Pipe Nipple
Cabinet		Ground Joint
	Tee Joint	Union
Test	Reducer	Manual Shutoff Valve *
Gauge	Bushing to
Connection *	1/8" NPT	From
	1/8" NPT
		External Regulator
	Plug Tap	(11" W.C. to 14" W.C. Pressure)
	Tee Joint
Sediment	Pipe	3" Minimum
Trap
	Nipple
	Cap
		Figure 14 - Gas Connection

*An AGA design certified manual shutoff valve with 1/8" NPT tap is an acceptable alternative to test gauge connection. Purchase the optional AGA design certified manual shutoff valve from your dealer. See Accessories, page 31.

CHECKING	WARNING
GAS
	Test all gas piping and connections for leaks after installing or
CONNECTIONS	servicing. Correct all leaks at once.
	WARNING
	Never use an open flame to check for a leak. Apply a mixture of
	liquid soap and water to all joints. Bubbles forming show a leak.
	Correct all leaks at once.

CAUTION

Make sure external regulator has been installed between propane/

LP supply and heater. See guidelines under Connecting to Gas

Supply, page 14.

PRESSURE TESTING GAS SUPPLY PIPING SYSTEM

Test Pressures In Excess Of 1/2 PSIG

1.Disconnect heater and its individual manual shutoff valve from gas supply piping system. Pressures in excess of 1/2 PSIG will damage heater regulator.

2.Cap off open end of gas pipe where manual shutoff valve was connected.

Continued 15

101823