{"product_id":"tempstar-low-pressure-switch-for-tch936gka100-oem-1184655-ships-today","title":"Tempstar Low Pressure Switch for TCH936GKA100 — OEM 1184655 | Ships Today","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThis is a genuine OEM low-side pressure switch (part number 1184655) for the Tempstar TCH936GKA100 heat pump. The low pressure switch is a refrigerant safety control wired into the 24V control circuit. It continuously monitors suction-side refrigerant pressure and opens its contacts when pressure drops below a safe threshold — protecting the compressor from running under a low-charge or loss-of-charge condition that would otherwise cause overheating and mechanical failure. When this switch fails or trips, the system typically locks out, short cycles, or refuses to start the compressor. Installing the correct OEM switch restores proper safety protection and reliable operation.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e1184655\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eLow Pressure Switch (refrigerant safety)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eTempstar (ICP \/ Heil family)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCircuit\u003c\/td\u003e\n\u003ctd\u003e24V control circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eLoss-of-charge \/ low suction pressure cutout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFit\u003c\/td\u003e\n\u003ctd\u003eOEM direct replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eEngineered as a direct-fit replacement for the Tempstar TCH936GKA100 heat pump. Because ICP, Tempstar, Heil, Comfortmaker and Arcoaire share a common parts platform, this switch also services many equivalent models across those brands. Always verify your existing part number (1184655) before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety First\u003c\/strong\u003e — Disconnect power at the disconnect and breaker, and verify zero voltage with a multimeter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess\u003c\/strong\u003e — Remove the service\/control panel to reach the switch and refrigerant line connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocument\u003c\/strong\u003e — Photograph the wire routing and terminal connections before disconnecting anything.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove\u003c\/strong\u003e — Disconnect the two control wires, then unthread or unclip the switch from the refrigerant fitting (recover charge if the connection is brazed\/Schrader-dependent per equipment design).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall\u003c\/strong\u003e — Mount the new switch, reconnect the control wires per your photo, and confirm a leak-free fitting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest\u003c\/strong\u003e — Restore power and verify the unit starts, runs, and the safety closes under normal pressure.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eSigns You Need a Replacement\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompressor will not start or locks out on a safety fault\u003c\/li\u003e\n\u003cli\u003eSystem short cycles or trips on low pressure with a verified normal charge\u003c\/li\u003e\n\u003cli\u003eSwitch fails a continuity test when refrigerant pressure is within range\u003c\/li\u003e\n\u003cli\u003eVisible corrosion, cracked housing, or damaged terminals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eShipping \u0026amp; Returns\u003c\/h3\u003e\n\u003cp\u003eShips same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.\u003c\/p\u003e","brand":"Tempstar","offers":[{"title":"Direct Replacement","offer_id":63021651067251,"sku":"1184655-GEN","price":32.95,"currency_code":"USD","in_stock":true},{"title":"OEM","offer_id":63048466334067,"sku":"1184655","price":42.84,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-single-1184655_b5877ed7-3297-465b-904c-fa8bfe3b7725.jpg?v=1782960588","url":"https:\/\/nationalhvacparts.com\/products\/tempstar-low-pressure-switch-for-tch936gka100-oem-1184655-ships-today","provider":"National HVAC Parts","version":"1.0","type":"link"}