{"product_id":"mcdonnell-miller-153602-pse-802-m-24-low-water-cut-off","title":"McDonnell \u0026 Miller 153602 PSE-802-M-24 Low Water Cut Off","description":"\u003cp\u003eEnsure the longevity and safety of your hydronic heating system with the high-performance \u003cstrong\u003ePSE-802-M-24\u003c\/strong\u003e, identified by part number \u003cstrong\u003e153602\u003c\/strong\u003e. This McDonnell \u0026amp; Miller low water cut off is engineered to provide precise monitoring of water levels, automatically shutting down the boiler when levels drop below a safe threshold to prevent catastrophic damage from dry firing.\u003c\/p\u003e\u003cp\u003eThis device utilizes advanced sensing technology to detect the presence of water, offering a reliable, maintenance-friendly solution compared to mechanical float-based systems. By eliminating moving parts that can wear over time, this unit provides consistent, long-term operation in commercial and residential boiler applications.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Protection:\u003c\/strong\u003e Prevents dry-fire scenarios by interrupting burner circuits when low water is detected.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid-State Design:\u003c\/strong\u003e Utilizes probe-based sensing technology for improved reliability and reduced mechanical wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Compatibility:\u003c\/strong\u003e Engineered for seamless integration with 24-volt heating control systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for steam and hot water boilers requiring dependable low water safety cut-off, hydronic system retrofits, and professional HVAC maintenance projects where precise, automated boiler shutdown is mandatory.\u003c\/p\u003e","brand":"McDonnell \u0026 Miller","offers":[{"title":"Default Title","offer_id":43125839364190,"sku":"153602","price":378.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/153602_image_35cac416-fa47-48a9-a238-a00aeb3865d5.png?v=1786039246","url":"https:\/\/nationalboilersupply.com\/products\/mcdonnell-miller-153602-pse-802-m-24-low-water-cut-off","provider":"National Boiler Supply","version":"1.0","type":"link"}