{"product_id":"rheem-47-21900-06-limit-switch-manual-reset-normally-closed-spst-close-at-31f-opens-at-180f","title":"Rheem 47-21900-06 Limit Switch, Manual Reset, Normally Closed, SPST, Close at -31F, Opens at 180F","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eRheem 47-21900-06\u003c\/strong\u003e is a manual reset limit switch designed for reliable temperature-based circuit protection in heating and HVAC applications. This switch operates in a \u003cstrong\u003enormally closed (NC)\u003c\/strong\u003e configuration and features a \u003cstrong\u003eSingle Pole Single Throw (SPST)\u003c\/strong\u003e design for straightforward integration into control circuits.\u003c\/p\u003e\n\n\u003ch3\u003eTemperature Operation\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOpens at:\u003c\/strong\u003e 180°F — disconnects the circuit when temperature reaches this threshold to prevent overheating\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCloses at:\u003c\/strong\u003e -31°F — ensures the circuit remains closed under normal and low-temperature operating conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eManual Reset Functionality\u003c\/h3\u003e\n\u003cp\u003eThis limit switch features a \u003cstrong\u003emanual reset mechanism\u003c\/strong\u003e, meaning that once the switch has opened due to a high-temperature condition, it must be \u003cstrong\u003emanually reset\u003c\/strong\u003e before the circuit can be restored. This design provides an added layer of safety by requiring a deliberate action to resume operation, helping to identify and address the root cause of the temperature fault before restarting the system.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 47-21900-06\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Rheem\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSwitch Type:\u003c\/strong\u003e Limit Switch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReset Type:\u003c\/strong\u003e Manual Reset\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSwitch Configuration:\u003c\/strong\u003e SPST (Single Pole Single Throw)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNormal State:\u003c\/strong\u003e Normally Closed (NC)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOpens At:\u003c\/strong\u003e 180°F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCloses At:\u003c\/strong\u003e -31°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003eThis is a \u003cstrong\u003egenuine Rheem OEM replacement part\u003c\/strong\u003e, engineered to meet the exact specifications of compatible Rheem heating systems. Always verify compatibility with your specific unit model before installation.\u003c\/p\u003e\n\n\u003ch3\u003eDimensions\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" \u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWidth:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" \u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeight:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0\" \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Rheem","offers":[{"title":"Default Title","offer_id":51514282017074,"sku":"47-21900-06","price":47.29,"currency_code":"USD","in_stock":true}],"url":"https:\/\/malachypartsplus.com\/es\/products\/rheem-47-21900-06-limit-switch-manual-reset-normally-closed-spst-close-at-31f-opens-at-180f","provider":"Malachy Parts+","version":"1.0","type":"link"}