{"product_id":"mcdonnell-miller-162300-model-93-low-water-cut-off-and-pump-controller","title":"McDonnell \u0026 Miller 162300 Model 93 Low Water Cut-Off and Pump Controller","description":"\u003cp\u003eProtect your commercial steam boiler system with the \u003cstrong\u003e162300\u003c\/strong\u003e McDonnell \u0026amp; Miller \u003cstrong\u003eModel 93\u003c\/strong\u003e, an industry-standard low water cut-off and pump controller. Designed for high-pressure applications, this unit ensures operational safety by managing water levels and providing critical protection against dry-firing hazards in hydronic and steam heating environments.\u003c\/p\u003e\u003cp\u003eThe unit utilizes a precision-engineered float mechanism to monitor boiler water levels accurately, automatically triggering pump operation to maintain required levels while providing a secondary safety circuit to cut off the burner in low-water conditions. Its robust internal switching ensures rapid response to system fluctuations, preventing costly equipment downtime and enhancing overall system longevity.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Control:\u003c\/strong\u003e Maintains consistent water levels for optimal steam production.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Integration:\u003c\/strong\u003e Features dual-action switching for burner cut-off and pump activation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Durability:\u003c\/strong\u003e Built for rugged, high-pressure steam boiler environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Response:\u003c\/strong\u003e Engineered for immediate mechanical reaction to changes in water column depth.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for use in commercial steam boiler installations, high-pressure industrial process heating systems, and large-scale facility hydronic loops requiring integrated pump management.\u003c\/p\u003e","brand":"McDonnell \u0026 Miller","offers":[{"title":"Default Title","offer_id":43125868396638,"sku":"162300","price":1768.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/162300_image_6112bae8-8f1c-45fe-b72b-505e844c2df6.png?v=1786041737","url":"https:\/\/nationalboilersupply.com\/products\/mcdonnell-miller-162300-model-93-low-water-cut-off-and-pump-controller","provider":"National Boiler Supply","version":"1.0","type":"link"}