{"product_id":"plug-in-air-pressure-activation-switch-for-duct-fa","title":"Plug In Air Pressure Activation Switch For Duct Fans In HVAC Systems That Automatically Turns On And Off Based On Furnace Or Air Conditioner Blower With Easy Install And Works With Any Brand Duct Fan","description":"\u003cdiv\u003ePlug-In Air Pressure Switch for Duct Fans, Easy Install\u003cbr\u003e\n✔️ Pack size: single unit; auto-senses pressure to run fan. \u003cp\u003eThis compact air pressure activation switch automatically turns duct fans on and off by sensing positive pressure from the furnace or air conditioner blower. It's designed for HVAC systems and is easy to install, compatible with most duct fan brands, and supports plug-in or simple wiring options.\u003c\/p\u003e \u003cp\u003e✅ Single-pole, single-throw snap-acting switch activated by a diaphragm with integral pressure probe.\u003cbr\u003e✅ Detects positive pressure in the duct or plenum to power the fan or accessory.\u003cbr\u003e✅ Compatible with a wide range of accessories like duct boosters, humidifiers, air cleaners, or electric heaters.\u003cbr\u003e✅ Wiring options: PS1503 (black-to-black or white-to-white) or PS1503P plug-in version.\u003cbr\u003e✅ Manufactured in the USA by an 81-year-old family business, color: black.\u003c\/p\u003e \u003cp\u003e💡 What is a duct air pressure switch used for in HVAC systems? This handy device helps automate fan and accessory control by responding to blower activity.\u003cbr\u003e - It senses positive pressure in the duct or plenum to power on\/off connected equipment.\u003cbr\u003e - It coordinates with duct boosters, humidifiers, air cleaners, and heaters for synchronized operation.\u003cbr\u003e - It offers plug-in or simple wiring options for easy installation and compatibility with many brands.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48207281029355,"sku":"VXB07W7LTY35","price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61Z-qT7IRLL.jpg?v=1778813382","url":"https:\/\/vxb.com\/products\/plug-in-air-pressure-activation-switch-for-duct-fa","provider":"VXB Bearings","version":"1.0","type":"link"}