{"product_id":"goodman-b1256555s-electric-heat-sequencer-genuine-oem-5-kw-24v-single-pole-control","title":"Goodman B1256555S Electric Heat Sequencer – Genuine OEM 5 kW 24V Single-Pole Control","description":"\u003cp\u003eThe Goodman-Amana Heat Sequencer 5KW, B1256558, is a crucial OEM replacement part for electric furnace heat strips, designed to precisely control the timing of turning on\/off heating elements and the blower motor in stages for efficient, safe, and consistent heating in Goodman, Amana, and Janitrol HVAC systems, often replacing older models like B1256551. B1256558 controls staged heating, it is controlling by managing the sequence, ensuring heating elements activate in the correct order and at specific temperature\/time intervals (e.g., 10-20 seconds on, 30-70 seconds off). It manages the blower motor and also coordinates the blower motor's operation with the heating elements.\u003c\/p\u003e \u003cp\u003e\u003cbr\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003ePart Number: \u003c\/strong\u003eB1256558 (also replaces B1256551).\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003ePower:\u003c\/strong\u003e Rated for 5kW (5,000 watts) electric heat systems.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eType:\u003c\/strong\u003e A single-pole, time-delay relay (often 24V). \u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eAmperage Rating: \u003c\/strong\u003e30 A (Amps).\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eControl Circuit (Coil):\u003c\/strong\u003e 24 VAC.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eStage: \u003c\/strong\u003eIt is a 1-stage heat sequencer relay.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eProduct Class - (PIM)\u003c\/strong\u003eHeat Kits\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eDimensions - (Unit Depth): \u003c\/strong\u003e1.626 in\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eDimensions - (Unit Width): \u003c\/strong\u003e2-9\/16 in\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eDimensions - (Unit Height): \u003c\/strong\u003e1.5 in\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eWeight - (Unit: \u003c\/strong\u003e2 lb\u003cstrong\u003e\u003c\/strong\u003e \u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eWattage (Power Handling):\u003c\/strong\u003e The component is used for applications up to 5 kW (kilowatts) of electric heat.\u003cbr\u003e \u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eMain Power Circuit (Switches):\u003c\/strong\u003e Capable of handling line voltage, typically 120 VAC, 240 VAC, or 480 VAC, depending on the specific heater kit configuration it's installed in.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eTiming:\u003c\/strong\u003e\u003cbr\u003e\"On\" (Activation) Time Delay: 25–50 seconds.\u003cbr\u003e\"Off\" (Deactivation\/Cool-down) Time Delay: 40–110 seconds.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cbr\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eThe B1256558 part number is affiliated with and can be cross-referenced with the following numbers:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003eB12565-58: \u003c\/strong\u003eA common representation of the part number found on the physical component.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eB1256551:\u003c\/strong\u003e An older, obsolete manufacturer part number that the B1256558 replaces.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eBT1256500:\u003c\/strong\u003e Another obsolete or alternative stock number used by manufacturers and suppliers.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003e309561:\u003c\/strong\u003e A stock or part number used by some distributors.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003e309837:\u003c\/strong\u003e Another part number sometimes associated with Therm-o-disc versions of the switch.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eL39-276: \u003c\/strong\u003eA catalog number used by some wholesale suppliers.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eQ109:\u003c\/strong\u003e A universal\/generic part number from manufacturers like Supco that can replace the B1256558, provided the specifications match. \u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cbr\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFor specific timing specifications, \u003c\/strong\u003ethe original sequencer had on\/off delays rated at H10-20 (Heat On: 10-20 seconds) and C30-70 (Cool Off: 30-70 seconds). The generic replacement will typically have a 24 VAC control circuit and a time delay of 25-50 seconds to turn on and 40-110 seconds to turn off.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eHere are some specific model numbers compatible with the B1256558 heat sequencer:\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eA Series Air Handlers:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eA18-05C, A18-08, A18-10\u003c\/li\u003e \u003cli\u003eA24-05, A24-05C, A24-08, A24-08C, A24-10, A24-10C\u003c\/li\u003e \u003cli\u003eA30-05, A30-08, A30-08C, A30-10, A30-10C, A30-15\u003c\/li\u003e \u003cli\u003eA32-03, A32-05, A32-05C, A32-08, A32-08C, A32-10, A32-15\u003c\/li\u003e \u003cli\u003eA36-05, A36-05C, A36-06, A36-08, A36-08C, A36-10, A36-10C, A36-15, A36-20\u003c\/li\u003e \u003cli\u003eA42-08C, A42-10, A42-10C, A42-15, A42-20\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eAWB Series:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAWB18-05C, AWB18-05D\u003c\/li\u003e \u003cli\u003eAWB30-05CB, AWB30-05CC, AWB30-05CD, AWB30-05CE\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eAWUF and ACNF Series:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAWUF24051AA, AWUF240516AA\u003c\/li\u003e \u003cli\u003eACNF240516AA, ACNF240516AB, ACNF30051BA\u003c\/li\u003e \u003c\/ul\u003e","brand":"HVAC Depot","offers":[{"title":"Default Title","offer_id":48412462973155,"sku":"193031100914","price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/8752\/3043\/files\/B12565-58.jpg?v=1772715142","url":"https:\/\/freedomhvacsupply.com\/products\/goodman-b1256555s-electric-heat-sequencer-genuine-oem-5-kw-24v-single-pole-control","provider":"Freedom HVAC Supply","version":"1.0","type":"link"}