Rheem-Ruud 47-23610-21 Limit Switch
The Rheem-Ruud 47-23610-21 Limit Switch is a critical safety component designed for high-limit temperature protection in residential and commercial HVAC systems. As an OEM replacement part, this SPST normally closed switch is engineered to break the electrical circuit when the high-limit temperature is reached, preventing heat exchanger damage. This air pressure and thermal safety control features a fixed open temperature of 175°F and a fixed close temperature of 155°F, providing a precise 20°F differential for auto-reset functionality. Designed for flanged airstream mounting, the 47-23610-21 uses an enclosed disc face to protect contacts from debris and oxidation. With a maximum rating of 25A at 230VAC and standard 1/4-inch quick-connect terminals, this furnace limit switch ensures compatibility with a broad range of Rheem, Ruud, and WeatherKing heating equipment. The red/white color-coding facilitates rapid identification during field service and troubleshooting.
Key Benefits for Technicians:
- Direct OEM Fit: Ensures exact mounting depth of 25/32 in. and terminal alignment, reducing labor time during HVAC repair.
- High Amperage Rating: Rated for up to 25A, providing robust electrical durability for heavy-duty heating system cycles.
- Automated Thermal Protection: The auto-reset feature eliminates the need for manual intervention after the system cools to 155°F, maintaining uptime.
- Contamination Resistance: The enclosed disc design prevents dust and airflow contaminants from affecting the bi-metal sensing element.
- Reliable Safety Interface: Normally closed configuration ensures the system fails safe if the circuit is interrupted or the part fails.
Common Technical Questions:
What causes this limit switch to trip frequently?
Frequent tripping usually indicates restricted airflow, such as a clogged furnace filter, blocked return ducts, or a failing blower motor causing the heat exchanger to exceed the 175°F threshold.
Can I use this switch for other brands?
While this is a Rheem-Ruud 47-23610-21, it is a general-purpose limit switch. However, technicians should verify that the 175°F/155°F parameters and mounting flange match the original manufacturer’s specifications exactly.
Is the mounting orientation critical?
Yes, for flanged airstream mounting, the sensing element must be positioned directly in the warmest part of the airflow as specified by the equipment's manual to ensure accurate thermal response.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $12.25
-65%$12.25
$4.29Rheem-Ruud 47-23610-21 Limit Switch
The Rheem-Ruud 47-23610-21 Limit Switch is a critical safety component designed for high-limit temperature protection in residential and commercial HVAC systems. As an OEM replacement part, this SPST normally closed switch is engineered to break the electrical circuit when the high-limit temperature is reached, preventing heat exchanger damage. This air pressure and thermal safety control features a fixed open temperature of 175°F and a fixed close temperature of 155°F, providing a precise 20°F differential for auto-reset functionality. Designed for flanged airstream mounting, the 47-23610-21 uses an enclosed disc face to protect contacts from debris and oxidation. With a maximum rating of 25A at 230VAC and standard 1/4-inch quick-connect terminals, this furnace limit switch ensures compatibility with a broad range of Rheem, Ruud, and WeatherKing heating equipment. The red/white color-coding facilitates rapid identification during field service and troubleshooting.
Key Benefits for Technicians:
- Direct OEM Fit: Ensures exact mounting depth of 25/32 in. and terminal alignment, reducing labor time during HVAC repair.
- High Amperage Rating: Rated for up to 25A, providing robust electrical durability for heavy-duty heating system cycles.
- Automated Thermal Protection: The auto-reset feature eliminates the need for manual intervention after the system cools to 155°F, maintaining uptime.
- Contamination Resistance: The enclosed disc design prevents dust and airflow contaminants from affecting the bi-metal sensing element.
- Reliable Safety Interface: Normally closed configuration ensures the system fails safe if the circuit is interrupted or the part fails.
Common Technical Questions:
What causes this limit switch to trip frequently?
Frequent tripping usually indicates restricted airflow, such as a clogged furnace filter, blocked return ducts, or a failing blower motor causing the heat exchanger to exceed the 175°F threshold.
Can I use this switch for other brands?
While this is a Rheem-Ruud 47-23610-21, it is a general-purpose limit switch. However, technicians should verify that the 175°F/155°F parameters and mounting flange match the original manufacturer’s specifications exactly.
Is the mounting orientation critical?
Yes, for flanged airstream mounting, the sensing element must be positioned directly in the warmest part of the airflow as specified by the equipment's manual to ensure accurate thermal response.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Rheem-Ruud 47-23610-21 Limit Switch is a critical safety component designed for high-limit temperature protection in residential and commercial HVAC systems. As an OEM replacement part, this SPST normally closed switch is engineered to break the electrical circuit when the high-limit temperature is reached, preventing heat exchanger damage. This air pressure and thermal safety control features a fixed open temperature of 175°F and a fixed close temperature of 155°F, providing a precise 20°F differential for auto-reset functionality. Designed for flanged airstream mounting, the 47-23610-21 uses an enclosed disc face to protect contacts from debris and oxidation. With a maximum rating of 25A at 230VAC and standard 1/4-inch quick-connect terminals, this furnace limit switch ensures compatibility with a broad range of Rheem, Ruud, and WeatherKing heating equipment. The red/white color-coding facilitates rapid identification during field service and troubleshooting.
Key Benefits for Technicians:
- Direct OEM Fit: Ensures exact mounting depth of 25/32 in. and terminal alignment, reducing labor time during HVAC repair.
- High Amperage Rating: Rated for up to 25A, providing robust electrical durability for heavy-duty heating system cycles.
- Automated Thermal Protection: The auto-reset feature eliminates the need for manual intervention after the system cools to 155°F, maintaining uptime.
- Contamination Resistance: The enclosed disc design prevents dust and airflow contaminants from affecting the bi-metal sensing element.
- Reliable Safety Interface: Normally closed configuration ensures the system fails safe if the circuit is interrupted or the part fails.
Common Technical Questions:
What causes this limit switch to trip frequently?
Frequent tripping usually indicates restricted airflow, such as a clogged furnace filter, blocked return ducts, or a failing blower motor causing the heat exchanger to exceed the 175°F threshold.
Can I use this switch for other brands?
While this is a Rheem-Ruud 47-23610-21, it is a general-purpose limit switch. However, technicians should verify that the 175°F/155°F parameters and mounting flange match the original manufacturer’s specifications exactly.
Is the mounting orientation critical?
Yes, for flanged airstream mounting, the sensing element must be positioned directly in the warmest part of the airflow as specified by the equipment's manual to ensure accurate thermal response.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
