{"title":"Fan and Limit Controllers","description":"\u003cp\u003eMatch the full controller model and sensing-element insertion length before ordering.\u003c\/p\u003e\u003ctable\u003e\n\u003ccaption\u003eCompare L4064 insertion lengths\u003c\/caption\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eExact model\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eInsertion length\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003e\u003ca href=\"\/products\/l4064b2228-fan-and-limit-controller-5-in-insert\"\u003eL4064B2228\u003c\/a\u003e\u003c\/th\u003e\n\u003ctd\u003e5 in (127 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003e\u003ca href=\"\/products\/l4064b2236-fan-and-limit-controller-8-in-insert\"\u003eL4064B2236\u003c\/a\u003e\u003c\/th\u003e\n\u003ctd\u003e8 in (203.2 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003e\u003ca href=\"\/products\/l4064b2210\"\u003eL4064B2210\/U\u003c\/a\u003e\u003c\/th\u003e\n\u003ctd\u003e11.5 in (292 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eMeasure from the mounting face to the sensing-element tip, not the overall assembly. These models are not confirmed interchangeable.\u003c\/p\u003e\u003cp\u003eEach listing is for 1 controller. The shared 5 in and 8 in listing photo shows an L4064B2210 label; it is a series reference, not an exact-model photograph. Check availability on the individual listing.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/pages\/model-check?model=L4064%20fan%20and%20limit%20controller\"\u003eGet a model check\u003c\/a\u003e · \u003ca href=\"https:\/\/digitalassets.resideo.com\/damroot\/Original\/10005\/63-9575.pdf#page=35\"\u003eManufacturer selection guide (page 35)\u003c\/a\u003e · \u003ca href=\"\/collections\/switches\"\u003eBrowse switches\u003c\/a\u003e\u003c\/p\u003e\u003cdetails\u003e\u003csummary\u003eWhat information helps confirm a replacement?\u003c\/summary\u003e\u003cp\u003eSend a clear photo of the complete old-controller label, a ruler photo showing insertion length from the mounting face to the sensing-element tip, the furnace brand and model label, and clear terminal\/wiring photos. An overall assembly measurement or a similar-looking case does not establish compatibility. A qualified heating technician must verify the full model, mounting, wiring, electrical ratings and temperature settings against the equipment requirements before installation.\u003c\/p\u003e\n\u003cp\u003eAvailability and dispatch timing must be confirmed for the selected model; a family comparison is not a stock or delivery guarantee.\u003c\/p\u003e\u003c\/details\u003e","products":[{"product_id":"l4064b2210","title":"Resideo L4064B2210\/U Fan and Limit Controller, 11.5 in Insert","description":"\u003cp\u003e\u003cstrong\u003eResideo L4064B2210\/U fan and limit controller\u003c\/strong\u003e for forced-air heating systems. Pack contents: 1 controller.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModel and specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e L4064B2210\/U\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Insertion length 11.5 in (292 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical rating:\u003c\/strong\u003e Fan: 14A at 120VAC \/ 7A at 240VAC; limit: 8A at 120VAC \/ 4A at 240VAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetting range:\u003c\/strong\u003e Fan off: 50-200°F; fan on: 65-215°F; high limit: 100-250°F (200°F stop)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack contents:\u003c\/strong\u003e 1 controller\u003c\/li\u003e\n\u003cli\u003eField-adjustable fan and high-limit settings. Fan switch closes on temperature rise; high-limit switch opens on temperature rise.\u003c\/li\u003e\n\u003cli\u003eManual fan switch for continuous fan operation. This is not a manual-reset high-limit model.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBefore ordering\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHave a qualified heating technician match the old controller's full model, insertion length, mounting, wiring, electrical ratings and required temperature settings. Furnace brand or age alone does not establish compatibility. Follow the furnace and controller manufacturer's installation instructions.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/westcontrolsupply.com\/pages\/model-check?model=Resideo+L4064B2210%2FU+%2F+SKU%3A+WCS-VHTDRW2U48\u0026amp;product_url=%2Fproducts%2Fl4064b2210\u0026amp;search=WCS-VHTDRW2U48\"\u003eAsk about my furnace model\u003c\/a\u003e | \u003ca href=\"https:\/\/customer.resideo.com\/products\/s-l4064b2210-u\"\u003eManufacturer specifications\u003c\/a\u003e\u003c\/p\u003e\u003ch3\u003eCompare L4064 insertion lengths\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/l4064b2228-fan-and-limit-controller-5-in-insert\"\u003eL4064B2228\u003c\/a\u003e: 5 in (127 mm) nominal insertion length.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/l4064b2236-fan-and-limit-controller-8-in-insert\"\u003eL4064B2236\u003c\/a\u003e: 8 in (203.2 mm) nominal insertion length.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/l4064b2210\"\u003eL4064B2210\/U\u003c\/a\u003e: 11.5 in (292 mm) nominal insertion length.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese are different models, not confirmed interchangeable replacements. Measure from the mounting face to the sensing-element tip, and have a qualified heating technician verify the full part number, mounting, wiring and temperature settings.\u003c\/p\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":50261413822712,"sku":"WCS-VHTDRW2U48","price":249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/0378\/8792\/files\/31fvN-FI2TL.jpg?v=1790765305"},{"product_id":"l4064b2236-fan-and-limit-controller-8-in-insert","title":"L4064B2236 Fan and Limit Controller, 8 in Insert","description":"\u003cp\u003e\u003cstrong\u003eL4064B2236 fan and limit controller\u003c\/strong\u003e for matching forced-air heating applications. Supplied as one controller.\u003c\/p\u003e\u003cp\u003eAvailable to order. Contact us if you need a dispatch estimate before purchasing.\u003c\/p\u003e\u003ch3\u003eModel and selection\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: L4064B2236\u003c\/li\u003e\n\u003cli\u003eNominal sensing-element insertion length: 8 in (203.2 mm).\u003c\/li\u003e\n\u003cli\u003eControls the circulating fan and the high-temperature limit in a matching heating system.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMatch the full part number, insertion length, mounting, wiring and required temperature settings to the equipment specification. Insertion length is measured from the mounting face to the probe tip; overall assembly length is different.\u003c\/p\u003e\u003cp\u003eInstallation and setup must be performed by a qualified heating technician in accordance with the equipment and controller instructions.\u003c\/p\u003e\u003ch3\u003eProduct image\u003c\/h3\u003e\u003cp\u003eSeries reference image: L4064B2210 is shown. The label and probe length in this shared photograph do not represent every model. This listing is for L4064B2236 with an 8 in nominal insertion length.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/digitalassets.resideo.com\/damroot\/Original\/10005\/63-9575.pdf#page=35\"\u003eManufacturer L4064 selection guide (page 35)\u003c\/a\u003e\u003c\/p\u003e\u003ch3\u003eCompare L4064 insertion lengths\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/l4064b2228-fan-and-limit-controller-5-in-insert\"\u003eL4064B2228\u003c\/a\u003e: 5 in (127 mm) nominal insertion length.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/l4064b2236-fan-and-limit-controller-8-in-insert\"\u003eL4064B2236\u003c\/a\u003e: 8 in (203.2 mm) nominal insertion length.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/l4064b2210\"\u003eL4064B2210\/U\u003c\/a\u003e: 11.5 in (292 mm) nominal insertion length.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese are different models, not confirmed interchangeable replacements. Measure from the mounting face to the sensing-element tip, and have a qualified heating technician verify the full part number, mounting, wiring and temperature settings.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/pages\/model-check?model=L4064B2236\u0026amp;product_url=%2Fproducts%2Fl4064b2236-fan-and-limit-controller-8-in-insert\u0026amp;search=WCS-L4064B2236\"\u003eCheck my furnace control model or send a label photo\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/collections\/fan-and-limit-controllers\"\u003eView the L4064 model comparison and measurement checklist\u003c\/a\u003e before selecting a different insertion length.\u003c\/p\u003e","brand":"West Control Supply","offers":[{"title":"Default Title","offer_id":67889044488440,"sku":"WCS-L4064B2236","price":249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/0378\/8792\/files\/l4064b2210-series-reference-cutout.png?v=1793212006"},{"product_id":"l4064b2228-fan-and-limit-controller-5-in-insert","title":"L4064B2228 Fan and Limit Controller, 5 in Insert","description":"\u003cp\u003e\u003cstrong\u003eL4064B2228 fan and limit controller\u003c\/strong\u003e for matching forced-air heating applications. Supplied as one controller.\u003c\/p\u003e\u003cp\u003eAvailable to order. Contact us if you need a dispatch estimate before purchasing.\u003c\/p\u003e\u003ch3\u003eModel and selection\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eModel: L4064B2228\u003c\/li\u003e\n\u003cli\u003eNominal sensing-element insertion length: 5 in (127 mm).\u003c\/li\u003e\n\u003cli\u003eControls the circulating fan and the high-temperature limit in a matching heating system.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMatch the full part number, insertion length, mounting, wiring and required temperature settings to the equipment specification. Insertion length is measured from the mounting face to the probe tip; overall assembly length is different.\u003c\/p\u003e\u003cp\u003eInstallation and setup must be performed by a qualified heating technician in accordance with the equipment and controller instructions.\u003c\/p\u003e\u003ch3\u003eProduct image\u003c\/h3\u003e\u003cp\u003eSeries reference image: L4064B2210 is shown. The label and probe length in this shared photograph do not represent every model. This listing is for L4064B2228 with a 5 in nominal insertion length.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/customer.resideo.com\/en-US\/Pages\/Category.aspx?cat=HonECC%2520Catalog\u0026amp;category=L4064\u0026amp;catpath=1.2.7.13.2\"\u003eManufacturer model guide\u003c\/a\u003e\u003c\/p\u003e\u003ch3\u003eCompare L4064 insertion lengths\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/l4064b2228-fan-and-limit-controller-5-in-insert\"\u003eL4064B2228\u003c\/a\u003e: 5 in (127 mm) nominal insertion length.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/l4064b2236-fan-and-limit-controller-8-in-insert\"\u003eL4064B2236\u003c\/a\u003e: 8 in (203.2 mm) nominal insertion length.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/l4064b2210\"\u003eL4064B2210\/U\u003c\/a\u003e: 11.5 in (292 mm) nominal insertion length.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThese are different models, not confirmed interchangeable replacements. Measure from the mounting face to the sensing-element tip, and have a qualified heating technician verify the full part number, mounting, wiring and temperature settings.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/pages\/model-check?model=L4064B2228\u0026amp;product_url=%2Fproducts%2Fl4064b2228-fan-and-limit-controller-5-in-insert\u0026amp;search=WCS-L4064B2228\"\u003eCheck my furnace control model or send a label photo\u003c\/a\u003e\u003c\/p\u003e","brand":"West Control Supply","offers":[{"title":"Default Title","offer_id":67889045864696,"sku":"WCS-L4064B2228","price":249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/0378\/8792\/files\/l4064b2210-series-reference-cutout.png?v=1793212006"}],"url":"https:\/\/westcontrolsupply.com\/collections\/fan-and-limit-controllers.oembed","provider":"West Control Supply","version":"1.0","type":"link"}