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replacing a fouled or cracked sensor with this OEM Lennox flame sensor eliminates intermittent "no-heat" calls caused by failed flame rectification and ensures equipment operates at peak safety specifications
Tracer Summit
To prevent slippage
What are the symptoms of a faulty ambient defrost sensor
MARS 33217 Sequencer Els PW 17895 replacing a fouled or crackedThe MARS 33217 is a heavy duty 240V heat sequencer engineered for precise multi stage control in electric furnaces, heat pumps, and air handlers. Designed for veteran contractors, this thermal time delay relay features a DPST (Double Pole Single Throw) or SPDT (Single Pole Double Throw) switch action, allowing for the staggered activation of heating elements to prevent localized circuit overloads and nuisance tripping. Built with a solid state PTC
US$ 1090.00
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