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The Reznor 257975 Control Board is a critical direct spark ignition (DSI) control designed for heavy-duty HVAC unit heaters and professional-grade gas-fired heating systems
Key Benefits Dual-Function Control: Integrated high-limit and low-limit/circulator switches eliminate the need for secondary controllers
suitable for standard single-phase HVAC power configurations
ensuring the system reacts within safety parameters if the pilot or main flame is lost
The unit includes 14-inch etched Teflon lead wires (22 AWG) for easy identification and superior resistance to chemical or thermal degradation
Marathon K277 Blower Motor 320720-756 The Reznor 257975 Control BoardThe Marathon K277 Blower Motor is a high performance, three phase HVAC motor engineered for commercial fan and blower applications. Delivering 3 4 HP at a rated 1725 RPM, this 56 frame unit is the direct replacement for E119361. 00 and Marathon model 5K46KN4085. Built with a rolled steel frame and a resilient base, it minimizes vibration transfer in belt drive or direct drive air handlers. The open drip proof (ODP) enclosure allows for efficient
US$ 1399.50
US$ 1399.50
US$ 23.99