{"product_id":"121-250","title":"121-250","description":"This High Pressure Plug Switch is a critical safety component designed for residential and commercial HVAC systems. Functioning as an air proving and high-limit pressure sensor, this switch monitors the internal pressure of your heating or cooling equipment to ensure safe operation. It acts as a protective cutout, interrupting the system's electrical circuit if pressures reach unsafe levels, thereby preventing compressor damage and potential system failure. Engineered for reliability, this switch features a standard plug-in design for efficient installation during routine maintenance or emergency repairs. It is an essential replacement part for maintaining the longevity and performance of air conditioning units and heat pump systems.\u003cbr\u003e\nType: Air Pressure Switch\u003cbr\u003e\nSize: Small\u003cbr\u003e\nApplication: Commonly used in central air conditioning units, heat pumps, and HVAC systems to provide high-pressure safety cut-out protection and air flow verification.\u003cbr\u003e\nSpecifications: High-pressure safety limit; Cut-out rating: 650 PSI; Reset rating: 450 PSI; Plug-style connection.","brand":"BCFurnace","offers":[{"title":"Switch, High Pressure Plug, L650\/450 \/ 121-250","offer_id":50217053323549,"sku":null,"price":200.99,"currency_code":"CAD","in_stock":true},{"title":"Switch, High Pressure Plug, L650\/450 \/ S1-02550188000","offer_id":50217053356317,"sku":null,"price":200.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/7298\/9981\/files\/04a86263eb3545b5b9f9d654484414b9.webp?v=1773965117","url":"https:\/\/bcfurnace.myshopify.com\/products\/121-250","provider":"BCFurnace","version":"1.0","type":"link"}