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2. 1/2” N.P.T. Pilot Solenoid Valve – This is an on/off solenoid valve which is used to allow gas to flow
through the line when pilot is called for and then discontinues gas when the heat cycle has been completed.
There is no adjustment needed to this valve for natural or liquid propane (L.P.) gases.
3. 1/2” N.P.T. Adjustable Orifice Pilot Gas Cock – This is a dual purpose valve. It is used as a manual shutoff
valve when the handle is placed in the horizontal position and a flow regulator when the handle is in the
vertical position.
a. Although adjustment of this valve has been made at the factory it may be necessary to adjust the orifice
once the dryer has been installed for proper pilot.
b. Adjustable orifice pilot gas cock adjustment:
1) Turn the adjustment cap counterclockwise (CCW) until it is removed.
2) Turn the adjustment screw clockwise (CW) to reduce gas flow thru the pilot line or counterclockwise
(CCW) to increase gas flow as needed.
3) Place adjustment cap back onto the pilot gas cock.