furnace 7" limit switch
greeting, i have determined the the limit switch in my furnace is bad
and i have found the following replacement part on line http://bestbuyheatingandaircondition...tegory_Code=FL my question is that the new switch has 3 connections whilst my old switch has only 2 connections..how will i know which connections to use? thanks, cj |
furnace 7" limit switch
On Mar 16, 11:35*am, cj wrote:
* greeting, i have determined the the limit switch in my furnace is bad and i have found the following replacement part on line http://bestbuyheatingandaircondition...erchant.mvc?Sc... my question is that the new switch has 3 connections whilst my old switch has only 2 connections..how will i know which connections to use? thanks, cj I would assume with 3 connections one is common, one is normally open, other is normally closed. If what you are replacing is the high temp limit switch, then it should be the pair that is normally closed and you can determine that with a VOM. |
furnace 7" limit switch
I agree with the above reply, a conductivity meter will let you know which
contact you should use the n/c or the n/o "cj" wrote in message ... greeting, i have determined the the limit switch in my furnace is bad and i have found the following replacement part on line http://bestbuyheatingandaircondition...tegory_Code=FL my question is that the new switch has 3 connections whilst my old switch has only 2 connections..how will i know which connections to use? thanks, cj |
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