{"product_id":"rheem-47-102473-03-limit-switch-auto-reset-normally-closed-spst-l190-20f","title":"Rheem 47-102473-03 Limit Switch, Auto Reset, Normally Closed, SPST, L190-20F","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eRheem 47-102473-03\u003c\/strong\u003e is an \u003cstrong\u003eautomatic reset limit switch\u003c\/strong\u003e designed for use in Rheem heating systems. This \u003cstrong\u003enormally closed, single-pole single-throw (SPST)\u003c\/strong\u003e limit switch provides reliable over-temperature protection, helping to safeguard your HVAC equipment from heat-related damage.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 47-102473-03\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 Automatic Reset\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSwitch Configuration:\u003c\/strong\u003e Normally Closed (NC)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePole Configuration:\u003c\/strong\u003e SPST (Single-Pole Single-Throw)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Rating:\u003c\/strong\u003e L190-20F (Opens at 190°F, closes at 170°F)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003cp\u003eThis limit switch operates on a \u003cstrong\u003enormally closed\u003c\/strong\u003e basis, meaning the circuit remains closed under normal operating conditions, allowing the heating system to function properly. When the temperature exceeds the \u003cstrong\u003e190°F threshold\u003c\/strong\u003e, the switch opens to interrupt the circuit and protect the system. Once temperatures return to a safe level (\u003cstrong\u003e170°F\u003c\/strong\u003e), the switch \u003cstrong\u003eautomatically resets\u003c\/strong\u003e and closes the circuit — no manual intervention required.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose This Limit Switch\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic Reset:\u003c\/strong\u003e Eliminates the need for manual reset, reducing service calls and downtime\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenuine Rheem OEM Part:\u003c\/strong\u003e Ensures proper fit and reliable performance in compatible Rheem systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNormally Closed Design:\u003c\/strong\u003e Provides fail-safe over-temperature protection for your heating equipment\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSPST Configuration:\u003c\/strong\u003e Simple and dependable single-circuit switching for straightforward integration\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. Always verify compatibility with your specific unit's model and serial number before ordering. Consult your equipment's documentation or a qualified HVAC technician to confirm this part meets your system's requirements.\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":51514275954994,"sku":"47-102473-03","price":35.76,"currency_code":"USD","in_stock":true}],"url":"https:\/\/malachypartsplus.com\/es\/products\/rheem-47-102473-03-limit-switch-auto-reset-normally-closed-spst-l190-20f","provider":"Malachy Parts+","version":"1.0","type":"link"}