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.

 

 

TO GAS 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

Page 15
Image 15
Vanguard Heating VP2200ITA, VP2600D, VP1600ITA, VP1600D Checking, Connections, To Gas, Supply, Continued, and/or fittings