{"product_id":"mcdonnell-miller-177251-157s-rls-m-md-high-pressure-level-control","title":"McDonnell \u0026 Miller 177251 157S-RLS-M-MD High Pressure Level Control","description":"\u003cp\u003eMaintain consistent boiler water levels with the \u003cstrong\u003e177251 McDonnell \u0026amp; Miller 157S-RLS-M-MD\u003c\/strong\u003e, a robust high-pressure level control engineered for demanding hydronic and steam environments. Designed to provide accurate monitoring and switching, this \u003cstrong\u003e157S-RLS-M-MD\u003c\/strong\u003e model ensures your system operates within safe parameters, preventing dry-firing and managing pump activity efficiently.\u003c\/p\u003e\u003cp\u003eThis device utilizes a float-actuated mechanism that reacts reliably to fluctuating water levels within the boiler vessel. As the water level shifts, the movement of the float engages internal switching circuitry, which triggers the burner cutoff or pump control logic to maintain safe operating conditions under high-pressure requirements.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Switching:\u003c\/strong\u003e Designed for consistent, repeatable activation levels in pressurized boiler systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Durability:\u003c\/strong\u003e Constructed from high-grade materials to withstand extreme temperatures and internal pressures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Integration:\u003c\/strong\u003e Functions as a critical fail-safe for preventing boiler damage due to low-water conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Primarily utilized in commercial steam boiler installations, high-pressure industrial heating systems, and facilities requiring strict, automated boiler water level management.\u003c\/p\u003e","brand":"McDonnell \u0026 Miller","offers":[{"title":"Default Title","offer_id":43127111876702,"sku":"177251","price":1557.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/177251_image_72ae6ed9-55bc-42cf-a592-018a96251914.png?v=1786047551","url":"https:\/\/nationalboilersupply.com\/products\/mcdonnell-miller-177251-157s-rls-m-md-high-pressure-level-control","provider":"National Boiler Supply","version":"1.0","type":"link"}