INSTALLING HEATER

Continued

Installation must include a manual shutoff valve, ground joint union, plugged 1/8" NPT tap and a sediment trap. Locate NPT tap within reach for test gauge hook up. NPT tap must be upstream from heater (see Figure 7).

Apply pipe joint sealant lightly to male threads. This will prevent excess sealant from going into pipe. Excess sealant in pipe could result in clogged heater valves.

CAUTION

Use pipe joint sealant that is resistant to liquid petro- leum (LP) gas.

Install sediment trap in supply line as shown in Figure 7. Locate sediment trap where it is within reach for cleaning. Locate sediment trap where trapped matter is not likely to freeze. A sediment trap traps moisture and contaminants. This keeps them from going into heater controls. If sediment trap is not installed or is installed wrong, heater may not run properly.

IMPORTANT: Use two pipe wrenches when connecting gas piping to gas control valve of heater. This will prevent turning or damaging control valve.

Control

Valve

Ground

Joint

Union

 

 

Reducer

 

 

 

Bushing to

 

Test

 

1/8" NPT

 

 

1/8" NPT

 

Gauge

 

 

 

Plug Tap

Connection*

 

 

Tee Joint

 

 

Sediment

 

 

Trap

Manual

Shutoff

Valve *

Tee Joint

Pipe

Nipple

Cap

Acceptable construction of inlet gas line

From External Regulator (11" W.C. Min** to 14" W.C. Max)

Preferred construction of inlet gas line

From External Regulator (11" W.C. Min** to 14" W.C. Max)

12

Figure 7 - Gas Connection

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

**For purposes of input adjustment.

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Desa GVC35PA, GVC50PA, GVC65PA installation manual Gas Connection

GVC50PA, GVC35PA, GVC65PA specifications

The Desa GVC65PA, GVC35PA, and GVC50PA are advanced gas-fired ventless fireplaces that are designed to deliver efficiency, convenience, and aesthetic appeal. These models are particularly popular in modern homes for their ability to provide warmth without the burdens of traditional venting systems.

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