{"product_id":"icp-single-pole-30a-contactor-for-wch4304gkb100-24v-coil-w-shunt-ships-today","title":"ICP Single-Pole 30A Contactor for WCH4304GKB100 — 24V Coil w\/Shunt | Ships Today","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThis OEM single-pole definite-purpose contactor (part #1172472) is the main switching relay for the outdoor unit on your ICP Tempstar\/Heil WCH4304GKB100 heat pump. Rated at 30 amps with a 24-volt control coil and a built-in shunt, it energizes the compressor and condenser fan when the thermostat calls. Its silver-alloy contacts close to complete the high-voltage circuit and open to break it; constant arcing eventually pits, burns, or welds them. Common failure symptoms are a unit that won't start, a buzzing or chattering condenser, contacts welded closed so the compressor never shuts off, or a humming outdoor unit with no fan movement.\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 Number\u003c\/td\u003e\n\u003ctd\u003e1172472\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eSingle-Pole (1P) Contactor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eICP \/ Tempstar \/ Heil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Rating\u003c\/td\u003e\n\u003ctd\u003e30 Amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil Voltage\u003c\/td\u003e\n\u003ctd\u003e24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFeatures\u003c\/td\u003e\n\u003ctd\u003eIntegrated Shunt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eDirect OEM fit for the ICP Tempstar\/Heil WCH4304GKB100 heat pump condensing unit. The 1172472 contactor is shared across many WCH-series heat pumps and comparable Comfortmaker\/Day \u0026amp; Night condensers that use a single-pole 30A 24V contactor — confirm against your unit's parts list.\u003c\/p\u003e\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety First\u003c\/strong\u003e — Disconnect power at the outdoor disconnect and breaker, then verify zero voltage at the contactor terminals with a multimeter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess\u003c\/strong\u003e — Remove the condenser service\/access panel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocument\u003c\/strong\u003e — Photograph all line, load, and 24V coil wires before disconnecting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove\u003c\/strong\u003e — Unscrew the contactor from its bracket and move wires one at a time to the matching terminals on the new part.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall\u003c\/strong\u003e — Mount the new contactor and reconnect each wire exactly as photographed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest\u003c\/strong\u003e — Restore power, call for cooling, and confirm the contactor pulls in and the compressor and fan start.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eSigns You Need a Replacement\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOutdoor unit hums or buzzes but won't start\u003c\/li\u003e\n\u003cli\u003ePitted, burned, or welded contacts\u003c\/li\u003e\n\u003cli\u003eCompressor runs continuously from stuck contacts\u003c\/li\u003e\n\u003cli\u003eChattering relay or intermittent cooling\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. Backed by the National HVAC Parts fitment guarantee.\u003c\/p\u003e","brand":"ICP","offers":[{"title":"OEM","offer_id":63027251151219,"sku":"1172472","price":29.84,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":63047714963827,"sku":"1172472-GEN","price":22.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-1pole-1172472_8386aecd-209f-4372-acc6-d74bd6c743f6.jpg?v=1782895732","url":"https:\/\/nationalhvacparts.com\/products\/icp-single-pole-30a-contactor-for-wch4304gkb100-24v-coil-w-shunt-ships-today","provider":"National HVAC Parts","version":"1.0","type":"link"}