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22
78D0011
WDV Series Gas Fireplace
Use proper gas type for the replace you are installing.
If you have conicting gas type, do not install replace.
See dealer where you purchased the replace for proper
replace for your gas type or conversion kit.
Before installing replace and burner system, make sure
you have the items listed below.
• External regulator (supplied by installer)
• Piping (check local codes)
• Equipment shutoff valve*
• Sealant (resistant to propane/LP gas)
• Test gauge connection*
• Sediment trap (recommended)
• Tee joint
• Pipe wrench
• Approved exible gas line with gas connector (if
allowed by local codes — not provided)
* A CSA design-certied equipment shutoff valve with
1/8" NPT tap is an acceptable alternative to test gauge
connection. Purchase the CSA design-certied equip-
ment shutoff valve from your dealer.
For propane/LP connections only, the installer must supply
an external regulator. The external regulator will reduce
incoming gas pressure. You must reduce incoming gas
pressure to between 11 and 13 inches of water. If you do
not reduce incoming gas pressure, burner system regula-
tor damage could occur. Install external regulator with the
vent pointing down as shown in Figure 31. Pointing the
vent down protects it from freezing rain or sleet.
When using copper of ex connectors use only ttings
approved for gas connections. The gas control inlet is
3/8" NPT.
The gas control is equipped with a captured screw type
pressure test point, therefore it is not necessary to provide
a 1/8" test point up stream of the control.
Always provide a union when using black iron pipe so
the gas line can be easily disconnected for burner or fan
servicing. Refer to gas specications for pressure details
and ratings.
The replace valve must not be subjected to any test pres-
sures exceeding 1/2 psi. Isolate or disconnect this and
any other gas appliance control from the gas line when
pressure testing.
Figure 31 -
External Regulator with Vent Pointing Down
(Propane/LP Only)
FP1977
External
Regulator
100 gallon (min)
Propane/LP Supply
Tank
Vent Pointing
Down
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