{"product_id":"rheem-47-21900-05-limit-switch-manual-reset-normally-closed-spst-close-at-31f-opens-at-200f","title":"Rheem 47-21900-05 Limit Switch, Manual Reset, Normally Closed, SPST, Close at -31F, Opens at 200F","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eRheem 47-21900-05\u003c\/strong\u003e is a manual reset limit switch designed for precise temperature-controlled applications. This switch is engineered to protect HVAC and heating systems by interrupting the circuit when a critical temperature threshold is reached, requiring a manual reset before operation can resume.\u003c\/p\u003e\n\n\u003ch3\u003eElectrical Configuration\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitch Type:\u003c\/strong\u003e Single Pole, Single Throw (SPST)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDefault State:\u003c\/strong\u003e Normally Closed (NC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReset Type:\u003c\/strong\u003e Manual Reset\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTemperature Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCloses At:\u003c\/strong\u003e -31°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpens At:\u003c\/strong\u003e 200°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual Reset functionality\u003c\/strong\u003e ensures the system cannot automatically restart after a limit trip, providing an added layer of safety and requiring technician inspection before resuming operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNormally Closed design\u003c\/strong\u003e maintains circuit continuity during standard operating conditions, only breaking the circuit upon reaching the 200°F trip temperature\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide temperature range\u003c\/strong\u003e from -31°F to 200°F makes this switch suitable for demanding heating system environments\u003c\/li\u003e\n\u003cli\u003eGenuine \u003cstrong\u003eRheem OEM replacement part\u003c\/strong\u003e, ensuring compatibility and reliable performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Applications\u003c\/h3\u003e\n\u003cp\u003eThis limit switch is a genuine Rheem OEM component, ideal as a direct replacement in Rheem heating and HVAC systems where manual reset limit protection at \u003cstrong\u003e200°F\u003c\/strong\u003e is required.\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":51514281951538,"sku":"47-21900-05","price":46.41,"currency_code":"USD","in_stock":true}],"url":"https:\/\/malachypartsplus.com\/es\/products\/rheem-47-21900-05-limit-switch-manual-reset-normally-closed-spst-close-at-31f-opens-at-200f","provider":"Malachy Parts+","version":"1.0","type":"link"}