Built to precise Source1 factory specifications

Precision Machined SAE Threads: 5/16 male flare and 1/4 MPT connections specifically sized for compatibility with modern mini-split and refrigeration systems

Durable Construction: Designed with industrial-grade materials to withstand the high-heat environment of the burner box

What does the '1-Pole' designation mean for my wiring

Key Benefits for Contractors: Dual-Action Performance: Simultaneously regulates electrical flow for the compressor and the condenser fan motor

Nordyne 626497R Limit Switch Built to precise Source1 factoryThe Nordyne 626497R Limit Switch is a critical OEM safety component engineered for precise thermal regulation in Nordyne, Miller, and Intertherm heating systems. This L115 20 automatic reset limit switch serves as a primary rollout safety, monitoring the burner assembly for abnormal heat dissipation. When temperatures exceed the 115F threshold, the switch opens the circuit, interrupting the gas valve power or control signal to prevent equipment