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7

Installation
1.  Thread the wiring through the holes on the end 

panels of the fireplace. Take care not to cut the wire 

or insulation on metal edges. Route the wire to a 

conveniently located receptacle box.

2.  Attach the wire to the ON/OFF switch and install the 

switch into the receptacle box.

3.  Connect the other ends of the wire to the gas control 

valve. (Fig. 6) 

The gas pipeline can be brought in through the rear 

of the appliance as well as the bottom. Knockouts are 

provided on the bottom behind the valve to allow for the 

gas pipe installation and testing of any gas connection. 

It is most convenient to bring the gas line in from the 

rear right side of the valve as this allows fan installation 

or removal without disconnecting the gas line.
The gas line connection can be made with properly 

tinned 3/8” copper tubing, 3/8” rigid pipe or an ap-

proved flex connector. Since some municipalities have 

additional local codes, it is always best to consult your 

local authority and the National Fuel Gas Code, ANSI 

Z223.1/NFPA 54 in the USA or the CSA-B149.1 instal-

lation code.

The remote switch can be installed on the front/side 

of the access door. Simply mount the switch to the 

bracket provided and screw the bracket to either side 

of the frame, lining up the screws with the pre-punched 

holes. (Fig. 7)

The gas control is equipped with a captured screw type 

pressure test point, therefore it is not necessary to pro-

vide a 1/8” test point up stream of the control.
When using copper or flex connector use only approved 

fittings. Always provide a union when using black iron 

pipe so the gas line can be easily disconnected for 

burner or fan servicing. See gas specification for pres-

sure details and ratings.
The fireplace valve must not be subjected to any test 

pressures exceeding 1/2 psi. Isolate or disconnect this 

and any other gas appliance control from the gas line 

when pressure testing. 

FP297A

INSTA VENT FREE

UVHB26 GAS SUPPLY 

7/1/98

FP297A

1/2” Gas Supply

1/2” NPT x 1/2” Flare Shut-

off Valve

3/8” Flex Line

(From Valve)

Fig. 5  Typical gas supply installation.

FP1024

alternate

remote switch

location

1/27/00   djt

FP1024

Fig. 7  Alternate switch location.

FP1224

Remote switch

11/02

Remote ON/OFF Switch

or Thermostat

or Remote Control

FP1224

Fig. 6  Remote switch wiring diagram.