Vanguard Heating Gas Log Heater User Manual

103515

Tee Joint

Pipe

Nipple

Cap

3" Minimum

Sediment

Trap

Gas
Regulator

From

Gas Meter

(5" W.C.** to

10.5" W.C.

Pressure)

A.G.A. Design-Certified
Manual Shutoff Valve
With 1/8" NPT Tap*

Approved Flexible
Gas Hose (if allowed
by local codes)

WARNING ICON

G 001

CAUTION

Avoid damage to regulator. Hold gas regulator with wrench when
connecting it to gas piping and/or fittings.

Figure 13 - Gas Connection

* Purchase the optional A.G.A. design-certified manual shutoff valve from your
dealer. See Accessories, page 34.
** Minimum inlet pressure for purpose of input adjustment.

INSTALLING

Continued

WARNING ICON

G 001

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.

WARNING ICON

G 001

WARNING

Test all gas piping and connections for leaks after installing or
servicing. Correct all leaks at once.

CHECKING GAS CONNECTIONS

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.
3. Pressurize supply piping system by either using compressed air or opening

main gas valve located on or near gas meter.

4. Check all joints of gas supply piping system. Apply mixture of liquid soap and

water to gas joints. Bubbles forming show a leak.

5. Correct all leaks at once.
6. Re-connect heater and manual shutoff valve to gas supply. Check re-con-

nected fittings for leaks.