Checking Gas Connections - Desa 102783-01B Owner's Operation And Installation Manual

INSTALLING
Continued
18
Avoid damage to regulator. Hold gas regulator with wrench when
connecting it to gas piping and/or fittings.
From
External Regulator
(11" W.C.** to
14" W.C.
Pressure)
Tee Joint
Pipe
Nipple
Cap
Sediment
Trap
* Purchase the optional A.G.A. design-certified manual shutoff valve from your
dealer. See Accessories, page 29.
** Minimum inlet pressure for purpose of input adjustment.

CHECKING GAS CONNECTIONS

Test all gas piping and connections for leaks after installing or
servicing. Correct all leaks at once.
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.
Make sure external regulator has been installed between propane
supply and heater. See guidelines under Connecting to Gas Sup-
ply , page 16.
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.
CAUTION
WARNING ICON G 001
A.G.A. Design-Certified
Manual Shutoff Valve
With 1/8" NPT Tap*
3" Minimum
Figure 14 - Gas Connection
WARNING
WARNING ICON G 001
WARNING
WARNING ICON G 001
CAUTION
WARNING ICON G 001
Approved Flexible
Gas Hose (if allowed
by local codes)
Gas
Regulator
102783