Heatcraft Refrigeration 21340101 Defrost Timer 318973-401 Common Questions: Is the SP20164

Common Questions: Is the SP20164 compatible with LP (Propane) units

Does this include the pilot assembly and thermocouple

and Mach 15 series units using the 1468-3069 part number

For technicians working on Carrier air conditioners or heat pumps

It is often preferred in applications where moisture resistance or permanent filtration is required

Heatcraft Refrigeration 21340101 Defrost Timer 318973-401 Common Questions: Is the SP20164The 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