Desa FLAME-MAX UNVENTED (VENT-FREE) PROPANE/LPGAS LOG HEATER - Manual (Page 18)

18
103310
Tee Joint
Pipe
Nipple
Cap
3" Minimum
Sediment
Trap
Gas
Regulator
From
External Regulator
(11" W.C.** to
14" 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 14 - 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
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.
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.
WARNING ICON G 001
CAUTION
Make sure external regulator has been installed between propane
supply and heater. See guidelines under
Connecting to Gas Sup-
ply, page 16.
CHECKING GAS CONNECTIONS