{"product_id":"icp-40va-transformer-for-wpa3484000rkc1-208-230v-to-24v-ships-today-1","title":"ICP 40VA Transformer for WPA3484000RKC1 – 208\/230V to 24V | Ships Today","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThis OEM 40VA control transformer (OEM 1173691) with its 24V terminal barrier (OEM 1176148, 42-60) is the low-voltage power source for the ICP \/ Heil \/ Tempstar WPA3484000RKC1 heat pump. The transformer steps 208\/230V line voltage down to the 24V control circuit that drives the contactor coil, defrost board, and thermostat signal. A failed transformer takes the entire control system offline: no 24V means the contactor won't engage and the unit won't run on a call for cooling or heating. You'll typically find a blown low-voltage fuse, no voltage at the R and C terminals, or a transformer that buzzes, overheats, or shows scorching. Rated at 40VA, this transformer provides robust control power for the WPA3484000RKC1 and stands up to the load of the contactor and board circuits.\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\u003e1173691 (Transformer), 1176148 (Barrier 42-60)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eControl Transformer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eICP \/ Heil \/ Tempstar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Voltage\u003c\/td\u003e\n\u003ctd\u003e208\/230V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSecondary Voltage\u003c\/td\u003e\n\u003ctd\u003e24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRating\u003c\/td\u003e\n\u003ctd\u003e40 VA\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 \/ Heil \/ Tempstar WPA3484000RKC1 condensing unit. Widely used across ICP-family 208\/230V split-system heat pumps and air conditioners that require a 40VA, 24V secondary control transformer.\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 breaker and the outdoor disconnect. Verify zero voltage at the line terminals with a multimeter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess\u003c\/strong\u003e – Remove the control-panel service cover to expose the transformer and low-voltage wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocument\u003c\/strong\u003e – Photograph all primary and secondary connections before disconnecting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove\u003c\/strong\u003e – Disconnect the 208\/230V primary leads and the 24V secondary leads, then unbolt the failed transformer from its bracket.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall\u003c\/strong\u003e – Mount the new transformer, reconnect the primary and secondary leads exactly per your photo, and re-seat the barrier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest\u003c\/strong\u003e – Restore power and confirm 24V across R and C, then verify the contactor pulls in on a thermostat call.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch3\u003eSigns You Need a Replacement\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eNo 24V at the control terminals and the unit won't start\u003c\/li\u003e\n\u003cli\u003eRepeatedly blown low-voltage fuse\u003c\/li\u003e\n\u003cli\u003eBuzzing, humming, or overheated transformer body\u003c\/li\u003e\n\u003cli\u003eBurnt smell or visible scorching on the windings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eShipping \u0026amp; Returns\u003c\/h3\u003e\u003cp\u003eShips same day on orders placed before 3 PM CST. 30-day hassle-free returns. Backed by the National HVAC Parts fitment guarantee.\u003c\/p\u003e","brand":"ICP","offers":[{"title":"Direct Replacement","offer_id":63027227361651,"sku":"1176148-GEN","price":28.0,"currency_code":"USD","in_stock":true},{"title":"OEM","offer_id":63047960035699,"sku":"1176148","price":36.4,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-control-1176148_c3d815c7-21d6-4ed3-8385-2bd1b2465248.jpg?v=1782883092","url":"https:\/\/nationalhvacparts.com\/products\/icp-40va-transformer-for-wpa3484000rkc1-208-230v-to-24v-ships-today-1","provider":"National HVAC Parts","version":"1.0","type":"link"}