The integrated On-No Heat position dial allows for manual system override

it prevents short-cycling while maintaining tight product temperatures

it prevents heat exchanger damage and hazardous conditions by interrupting the burner circuit if the plenum temperature exceeds specified tolerances

The Reznor 97479 Time Delay Relay is a critical field-service component designed for precise sequence control in Reznor gas-fired unit heaters

Durable Construction: Built with a robust steel housing and ball bearings to withstand the stressful conditions of a furnace vestibule

Carrier LA01RA015 Fan Blade 340155-7024 The integrated On-No Heat positionAs a seasoned tech, you know that performance in the field depends on using Factory Authorized Parts that match the original air handler or condenser specs perfectly. The Carrier LA01RA015 Fan Blade is a critical 18 inch diameter component engineered for specific Carrier, Bryant, and Payne condensing units. This 3 blade propeller features a 27 degree pitch and a 1 2 inch bore, optimized for clockwise (CW) rotation when facing the intake side.