The Nordyne 155316R Inducer Orifice is a critical engineering component designed for high-efficiency fuel combustion in gas-fired heating systems

Key Benefits for the Contractor: Optimized Protecton: The 40-micron internal media effectively traps fine contaminants

This Therm-O-Disc Type 36T style control ensures high-speed contact separation for long-term reliability in demanding HVAC cycles

the fan motor lead to the FAN terminal

Trane SWT1272 Auto Limit Switch The Nordyne 155316R Inducer OrificeThe Trane SWT1272 Auto Limit Switch is a critical OEM safety component engineered for precision thermal monitoring in high output residential and light commercial gas furnaces. Designed to maintain the integrity of the heat exchanger, this normally closed (NC) thermal switch is rated to open at 250F and automatically close at 220F once internal temperatures return to a safe operating range. As a veteran grade HVAC high limit replacement part, the