and Richmond professional series units

55" wc) monitoring differential pressure in high-efficiency unit heaters

This assembly features high-grade copper construction with factory-brazed connections to minimize vibration fatigue and prevent leaks under high-pressure conditions

This stainless steel tube is designed to direct the flow of gas to the burner assembly

Debris Protection: Integrated 20-micron outlet pad prevents desiccant migration and traps metallic chips or carbon deposits

Heatcraft Refrigeration 21340101 Defrost Timer Refrigerant and Richmond professional series unitsThe Heatcraft 21340101 Defrost Timer, also identified as the DTSX240, is a heavy duty mechanical control engineered for demanding commercial refrigeration and freezer applications. This 230V defrost timer features a robust 40A capacity, making it a standard OEM replacement part for Heatcraft, Bohn, and Larkin walk in units. Built for high amperage loads, it provides precise timing for electric defrost cycles, preventing evaporator ice accumulation