{"product_id":"mcdonnell-miller-157s-m-md-low-water-cut-off-and-pump-controller","title":"McDonnell \u0026 Miller 157S-M-MD Low Water Cut-Off and Pump Controller","description":"\u003ch3\u003eProduct Description\u003ch3\u003eThe McDonnell \u0026amp; Miller 157S-M-MD is a low water cut-off and pump controller that ensures safe operation in various boiler applications. This unit is designed with a manual reset snap-acting single pole double throw switch. It operates effectively in residential, commercial, and industrial settings. Its float chamber contains an integrated water column and a Monel bellows for added durability.\u003cul\u003e\n\u003cli\u003eManual reset feature included\u003c\/li\u003e\n\u003cli\u003eSingle pole, single throw switch for pump control\u003c\/li\u003e\n\u003cli\u003eSingle pole, double throw switch for low water cut-off and alarm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Highlights\u003c\/h4\u003eThis device is essential for preventing low water conditions in steam boilers, maintaining safety and functionality.\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: McDonnell \u0026amp; Miller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN\u003c\/strong\u003e: 157S-M-MD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e: 157S-M-MD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: Series 157S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Steam Boilers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Reset\u003c\/strong\u003e: Manual\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Switch\u003c\/strong\u003e: SWA-150S-M\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 120V, 240V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Pressure\u003c\/strong\u003e: 50 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Size\u003c\/strong\u003e: 1 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Connection\u003c\/strong\u003e: NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Method\u003c\/strong\u003e: 1 Equalizing Piping\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBellows Material\u003c\/strong\u003e: Monel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type\u003c\/strong\u003e: screwed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/h3\u003e\n\u003c\/h3\u003e","brand":"MCDONNELL \u0026 MILLER","offers":[{"title":"Default Title","offer_id":50128798712114,"sku":"157S-M-MD","price":1779.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/229408968.jpg?v=1750094769","url":"https:\/\/voomisupply.com\/products\/mcdonnell-miller-157s-m-md-low-water-cut-off-and-pump-controller","provider":"Voomi Supply","version":"1.0","type":"link"}