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For rectangular ZD dampers
Communicating over the SA Bus
The Williams P321942 Limit Switch is a critical OEM safety component engineered for Williams Forsaire Direct Vent Wall Furnaces and 6007 Series counterflow units
The 50001194-001/U is functionally identical to the base part number
Precise Refrigerant Flow Control: Specifically calibrated for 40-ton R22 systems to maintain optimal superheat and prevent liquid refrigerant from reaching the compressor
York S1-400435 Filter Drier 340155-7024 For rectangular ZD dampersThe York S1 400435 Filter Drier is a high performance liquid line filter drier engineered for critical moisture and acid removal in light commercial and residential HVACR systems. Utilizing the industry standard Sporlan C 083 S HH design, this unit features a 3 8" ODF solder connection and an 8 cubic inch molded core. This specific HH style core contains a blend of activated charcoal and 100% molecular sieve desiccant, making it the technician's