Description
This is a BRAND NEW OEM Lennox/Armstrong/Ducane Condenser Coil Flow Check Piston Kit. The Lennox/Armstrong/Ducane Part # is 42J54 (also 42J5401 ). The orifice size is 084. Thanks for looking and good luck!
Function:
An orifice / piston is a device with a small hole which allows gas or liquids to flow through at a slow rate. In furnaces, orifices are usually used for regulating pilot and main gas flow. In air conditioning units, orifices regulate the flow of freon.
Replaces Old Part #s:
42J54 42J5401 10W87 73L12 .084
Repair Difficulty Level:
Partial List of Units that Use This Item:
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