{"product_id":"sms-twin-fan-controller-mk2","title":"SMS Twin Fan Controller MK2","description":"\u003cp\u003eThe \u003cstrong\u003eSMSCOM Twin Fan Controller MK2\u003c\/strong\u003e runs your extraction and intake fans together. Instead of jumping from idle to full speed when it gets hot, it calculates the exact running speed your fans need to hold the temperature you set. The result is tighter temperature control, quieter fans and negative pressure held in the room.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eControls extraction and intake fans from one unit\u003c\/li\u003e\n\u003cli\u003eCalculates the exact fan speed needed, not just on and off\u003c\/li\u003e\n\u003cli\u003eKeeps negative pressure in the room\u003c\/li\u003e\n\u003cli\u003ePlug in your fans, set the temperature, done\u003c\/li\u003e\n\u003cli\u003eAdd the SMS MK2 Twin slave to daisy chain more fans from the same controller\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSizes available\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4.5A:\u003c\/strong\u003e 1.04kg, 24 x 20.5 x 12.5cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7A:\u003c\/strong\u003e 1.08kg, 23 x 20 x 12.5cm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePick the size that covers the combined running current of your fans. For bigger rooms with heavier fans, see the \u003ca href=\"\/products\/sms-hybrid-pro-fan-controller-mk2\"\u003eSMS Hybrid Pro MK2\u003c\/a\u003e. For one fan, the \u003ca href=\"\/products\/sms-smart-fan-controller-6-5a-mk2\"\u003eSMS Smart Controller\u003c\/a\u003e is enough.\u003c\/p\u003e\u003ch3\u003eFAQs\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eCan I add more fans later?\u003c\/strong\u003e\u003cbr\u003eYes. The SMS MK2 Twin slave daisy chains to this controller for more intake and extraction fans.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich size do I need?\u003c\/strong\u003e\u003cbr\u003eAdd up the running current of the fans you will connect and choose the size that covers it. Ask us if you are not sure.\u003c\/p\u003e\u003cp\u003eSee all \u003ca href=\"\/collections\/fan-speed-controllers\"\u003efan speed controllers\u003c\/a\u003e, our \u003ca href=\"\/collections\/extractor-fans\"\u003eextractor fans\u003c\/a\u003e and \u003ca href=\"\/collections\/carbon-filters\"\u003ecarbon filters\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eAvailable for Click \u0026amp; Collect from our West Bromwich store or UK delivery. Need advice? Call us on 0121 553 7872, WhatsApp our experts or pop in.\u003c\/p\u003e","brand":"SMSCOM","offers":[{"title":"4.5A","offer_id":55732787577159,"sku":"HL-04834","price":108.99,"currency_code":"GBP","in_stock":true},{"title":"7A","offer_id":55732787609927,"sku":"HL-04835","price":139.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0925\/0082\/0295\/files\/bbc6099d_c06bab9e-b9f0-43b6-b657-9ebb6cc58867.jpg?v=1794305945","url":"https:\/\/blackcountrysystems.com\/products\/sms-twin-fan-controller-mk2","provider":"Black Country Systems","version":"1.0","type":"link"}