{"product_id":"tempstar-hi-lo-pressure-switch-set-for-tsh436gka101-24v-safety-ships-today","title":"Tempstar Hi\/Lo Pressure Switch Set for TSH436GKA101 — 24V Safety | Ships Today","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThis OEM high\/low refrigerant pressure switch set protects the Tempstar TSH436GKA101 heat pump from running outside safe pressure limits. The high-pressure switch (part 1184656) opens the 24V control circuit if discharge pressure climbs dangerously high — from a blocked condenser, failed fan, or overcharge. The low-pressure switch (part 1184655) opens on loss of charge or restricted flow to prevent compressor damage. A failed or nuisance-tripping switch will lock out the unit and stop cooling\/heating even when refrigerant pressures are normal.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\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 Numbers\u003c\/td\u003e\n\u003ctd\u003e1184656 (Hi), 1184655 (Lo)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eHigh \u0026amp; Low Pressure Safety Switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eTempstar (ICP \/ Heil)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCircuit\u003c\/td\u003e\n\u003ctd\u003e24 VAC Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eHeat Pump Refrigerant Safety\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003eOEM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eDirect-fit for the Tempstar TSH436GKA101 and matching ICP \/ Heil \/ Comfortmaker heat pumps using these pressure controls. Verify against OEM 1184656 (high) and 1184655 (low).\u003c\/p\u003e\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety First\u003c\/strong\u003e — Disconnect power and verify zero voltage with a multimeter; switches mount on pressurized refrigerant lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess\u003c\/strong\u003e — Remove the condenser service panel to reach the switch ports.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocument\u003c\/strong\u003e — Photograph the two control wires on each switch before disconnecting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove\u003c\/strong\u003e — Most use Schrader-style ports allowing replacement without recovery; unscrew the switch and disconnect the leads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall\u003c\/strong\u003e — Thread the new switch onto its port and reconnect the leads per your photo.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest\u003c\/strong\u003e — Restore power, call for operation, and confirm the unit runs without nuisance lockout.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eSigns You Need a Replacement\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUnit locks out and won't run despite normal pressures\u003c\/li\u003e\n\u003cli\u003eRepeated high- or low-pressure trips\u003c\/li\u003e\n\u003cli\u003eSwitch fails a continuity check at its rated pressure\u003c\/li\u003e\n\u003cli\u003eIntermittent operation tied to a stuck switch\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eShipping \u0026amp; Returns\u003c\/h3\u003e\u003cp\u003eShips same day before 3 PM CST. 30-day returns. National HVAC Parts fitment guarantee.\u003c\/p\u003e","brand":"Tempstar","offers":[{"title":"Direct Replacement","offer_id":63021632586099,"sku":"1184656-GEN","price":38.0,"currency_code":"USD","in_stock":true},{"title":"OEM","offer_id":63048450048371,"sku":"1184656","price":49.4,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-single-1184656_67323b4e-1a0a-401a-b9b0-02fa3754a43e.jpg?v=1782960042","url":"https:\/\/nationalhvacparts.com\/products\/tempstar-hi-lo-pressure-switch-set-for-tsh436gka101-24v-safety-ships-today","provider":"National HVAC Parts","version":"1.0","type":"link"}