{"product_id":"air-flow-switch-and-pressure-switch-replacement-af","title":"Air Flow Switch and Pressure Switch Replacement AFS for Pentair MasterTemp 125 200 300 400 Pool Heaters and Sta Rite Max E Therm Water Heaters Electrical System Compatible","description":"\u003cdiv\u003e\n\u003cp\u003e\nAir flow switch replacement for pool heaters\u003cbr\u003e\n✔️ Compatible with MasterTemp 125-400 heaters and Sta-Rite Max-E-Therm\u003c\/p\u003e \u003cp\u003eThis AFS is a dedicated air flow and pressure switch replacement designed for outdoor pool heater systems. It monitors real-time airflow to shut down the heater when airflow is insufficient, preventing overheating and dry firing. It fits Pentair MasterTemp 125, 200, 300, 400 low-nox pool heaters and Sta-Rite Max-E-Therm water heaters, replacing 42001-0059s and 42001-0061s for straightforward upgrades.\u003c\/p\u003e ✅ Replaces 42001-0059s and 42001-0061s for direct compatibility \u003cbr\u003e\n✅ Real-time airflow and pressure monitoring to protect the system \u003cbr\u003e\n✅ Durable construction from high-quality plastic and copper alloy for outdoor use \u003cbr\u003e\n✅ Includes 1 air flow switch, 2 constant tension hose clamps, 2 screws, 2 hoses \u003cbr\u003e \u003cp\u003e💡 What is an air flow switch used for in pool heater systems? It's a handy safety feature that ensures proper airflow and protects the heater.\n- monitors airflow in real time and shuts the heater if airflow is insufficient\u003cbr\u003e\n- helps prevent dry heating and energy waste\u003cbr\u003e\n- provides an easy replacement path with included hardware\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48207320318187,"sku":"VXB0FL74FCN6","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61odLyiRBaL.jpg?v=1778813329","url":"https:\/\/vxb.com\/products\/air-flow-switch-and-pressure-switch-replacement-af","provider":"VXB Bearings","version":"1.0","type":"link"}