Description
This is a brand new OEM Weil McLain upgraded LP Orifice. It replaces the part numbers listed below.
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:
540130337 540-130-337
Repair Difficulty Level
Partial list of Model numbers that use this part:
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