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Frequently Asked Questions
What is the REZNOR 85449 limit switch used for?
The REZNOR 85449 auto limit switch is used in HVAC systems to monitor and control temperature, typically in gas-fired unit heaters. It opens or closes electrical contacts when the temperature reaches 140°F to 200°F, preventing overheating and ensuring safe operation.
What are the specifications of the REZNOR 85449 limit switch?
The REZNOR 85449 is a limit switch with a temperature range of 140°F to 200°F. It is a replacement HVACR control component, designed for use in REZNOR heating equipment. The manufacturer part number is 85449, and it is classified as a limit switch for safety and temperature regulation.
Where to buy the REZNOR 85449 limit switch worldwide?
You can source the REZNOR 85449 limit switch through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time; we supply genuine REZNOR replacement parts for HVAC systems.
How to install the REZNOR 85449 limit switch?
To install the REZNOR 85449 limit switch, first disconnect power to the HVAC unit. Mount the switch in the designated location, typically near the heat exchanger. Connect the wiring per the unit's schematic, ensuring proper contact. Test operation by verifying the switch opens at the specified temperature range.
Used in
Common applications for REZNORREZNOR Products
3G Electric supplies REZNOR replacement hvacr controls, switches & thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














