Description
This is a BRAND NEW OEM Lennox/Armstrong/Ducane Hi Pressure Switch. The part # is 42W41 (also100103-03, 42W4101, & 29PSL012-439 590-MR). This sensor has a threaded connector and manual reset button. Thanks for looking and good luck!
Function:
Replaces Old Part #s:
Repair Difficulty Level:
Partial List of Units that Use This Item:
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