Direct OEM Compatibility: Specifically engineered for the McDonnell & Miller WF-2 and WFE series

offering a nominal R22 capacity of 30

Remaining in the open position typically indicates insufficient vacuum pressure caused by a restricted flue

Designed for 24V HVAC control circuits

Equipment Protection: Integrated 5-minute compressor time guard prevents short-cycling to extend the life of the unit

Carrier KA56ZZ029 Rubber Spacer 318973-401 Direct OEM Compatibility: Specifically engineeredThe Carrier KA56ZZ029 Rubber Spacer is a critical OEM replacement part designed for vibration isolation and component alignment in high performance HVAC systems. Engineered from a durable thermoplastic elastomer, this spacer effectively dampens mechanical oscillations and reduces acoustic transfer across mating surfaces. Field experience shows these are frequently utilized as coil corner grommets or mounting blocks for condenser coils in split system