Roberts Gorden UHA[X][S] 45, UHA[X][S] 30 Replacement Parts, Burner Components, Gas Valve

UHA LOW PROFILE UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL

SECTION 14: REPLACEMENT PARTS

WARNING

Explosion Hazard

Installation, service and annual inspection must be done by a contractor qualified in the installation and service of gas-fired heating equipment or your gas supplier.

Turn off gas and electrical supplies before performing service or maintenance.

Failure to follow these instructions can result in death, injury or property damage.

See warnings and notes on Page 35, Section 12 before removing or replacing parts.

Burner Components

All serviceable burner parts are accessed by the door on the side of the heater. Remove the sheetmetal screws.

14.1 Gas Valve

Remove the gas supply pipe at the heater inlet. Follow steps in Section 14.2 and Section 14.2.1 to remove gas valve/manifold.

Replace in reverse order. Verify that the gas flow direction of the valve is correct. Use a minimum amount of gas seal on the thread joint. Check that all the joints are leak free. Reset gas valve. See Page 31, Section 10.2.2.

IT IS IMPORTANT THAT ONLY THE CORRECT GAS VALVE IS USED WHEN REPLACING THESE CONTROLS.

NOTE: Seperated combustion
model shown.
Flexible Air Duct
½PSI
	C
IN
	ON
	OFF
Description	Part Number
Gas Valve, NG (Models UHA[X][S] 30 - 45)	90034500
Gas Valve, LP (Models UHA[X][S] 30 - 45)	90034600
Gas Valve, NG (Models UHA[X][S] 60 - 125)	90032505
Gas Valve, LP (Models UHA[X][S] 60 - 125)	90032506
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