{"product_id":"mcdonnell-miller-176503-157s-rbp-md-high-pressure-level-control","title":"McDonnell \u0026 Miller 176503 157S-RBP-MD High Pressure Level Control","description":"\u003cp\u003eMaintain consistent water levels and operational safety in high-pressure steam boiler systems with the \u003cb\u003eMcDonnell \u0026amp; Miller 157S-RBP-MD\u003c\/b\u003e level control. This high-performance unit, identified by part number \u003cb\u003e176503\u003c\/b\u003e, is engineered for industrial applications where precise monitoring and control are critical to preventing dry-firing and maintaining optimal steam production.\u003c\/p\u003e\u003cp\u003eThe control operates through a float-actuated mechanism that responds reliably to fluctuating liquid levels within the boiler chamber. By utilizing a ruggedized switch assembly, it provides consistent signaling for boiler feed pump operation or low-water cut-off safety interlocks, ensuring durable performance even under demanding pressure environments.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePressure Rating:\u003c\/b\u003e Designed specifically for high-pressure steam service requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOperational Reliability:\u003c\/b\u003e Float-operated mechanism provides consistent feedback for boiler feed pump activation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSafety Integration:\u003c\/b\u003e Supports critical low-water cut-off functions to protect heating equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Primarily used in commercial and industrial boiler systems, steam heating plants, and high-pressure process steam loops where accurate level management is essential for long-term equipment integrity.\u003c\/p\u003e","brand":"McDonnell \u0026 Miller","offers":[{"title":"Default Title","offer_id":43127106732126,"sku":"176503","price":2682.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/176503_image_386ce72d-e116-44af-aeff-fb99b8dccfaf.png?v=1786047453","url":"https:\/\/nationalboilersupply.com\/products\/mcdonnell-miller-176503-157s-rbp-md-high-pressure-level-control","provider":"National Boiler Supply","version":"1.0","type":"link"}