seat washers

which is critical for extending the service life of motor windings and housings

Vibration Resistance: Designed to withstand the mechanical stresses and thermal expansion common in condenser and evaporator line sets

Common indicators include the furnace clicking repeatedly without lighting

always verify the temperature setpoints and insertion length match the original manufacturer’s specifications

Reznor 210765 Temp Switch seat washersThe Reznor 210765 Nozzle Temperature Switch is a critical genuine OEM replacement part specifically calibrated for high performance waste oil heaters and unit heaters. Factory set at 160F, this nozzle temp switch functions as a vital thermal control component within the oil preheater assembly, ensuring the fuel reaches the precise temperature required for stable atomization and efficient combustion. Also identified by alternate part numbers WB 10899