Aprilaire 600 &700 owner manual Inspection and Service Instructions, Compression nut

IN-LINE STRAINER

Inspection and Service Instructions

1. Disconnect electrical power to the furnace and shut off water supply.

OUTLET	2.	Disconnect the water line at the inlet
		compression nut.
COMPRESSION
NUT	3.	Remove the in-line strainer from inside
		the inlet side of the valve by using a
ORIFICE		small nail or wire.
	4. Flush the in-line strainer clean or
SOLENOID		replace with a new strainer, Service
VALVE		Department, Part No. 4004.
	5. Replace the in-line strainer and
INLET		reconnect the inlet water line (Double
		Wrench To Prevent Leaking).
	6.	Disconnect the water line at the outlet
INLET		compression nut.
COMPRESSION	7.	Remove the orifice from the copper
NUT
		or plastic tube and make sure this
		small opening is unplugged.
	8.	Replace the orifice and reconnect the
		outlet water line (Double Wrench To
		Prevent Leaking).
	9.	Turn on water supply and reconnect
		electrical power to the furnace.

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