Danfoss 023Z5064 Filter Drier 319825-402 check for 120V at the

check for 120V at the valve terminals when the control board calls for heat

Contaminants in the steam line

If the contacts close but there is no amperage draw on the heater lead

this model is specifically a high-pressure cutout switch

Danfoss 023Z5064 Filter Drier 319825-402 check for 120V at theThe Danfoss 023Z5064, professionally known as the DML163S liquid line filter drier, is an essential component for high pressure refrigeration systems utilizing HFC, HCFC, and CO2 refrigerants. This unit features 3 8" ODF solder connections and a 16 cubic inch solid core comprised of 100% molecular sieve material. Unlike alumina blend cores, this pure molecular sieve construction is optimized for maximum moisture adsorption in systems using polyolester