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Ships within 48 hours · Estimated delivery Sep 14 - Sep 19
Industrial Build: Rugged 48FR housing designed for enhanced heat dissipation and extended service life
this model is specifically valved and charged for R-404A performance
Engineered to replace obsolete HK61GA001 and HK61GA003 Texas Instruments boards
Specifically utilized in 750CFM configurations
Key Benefits for Field Service Precise Control: The 24V coil enables seamless integration with standard 24VAC control transformers and digital thermostats
Carrier HK02ZB421 Pressure Switch 30067439-890 Industrial Build: Rugged 48FR housingThe Carrier HK02ZB421 Pressure Switch is a critical safety component designed for R 410A refrigerant residential and commercial air conditioning systems. This heavy duty high pressure switch features a normally closed SPST (Single Pole Single Throw) configuration and is factory calibrated to open at 610 PSI to prevent compressor damage during over pressurization. Once system pressure stabilizes, the switch initiates a manual reset or automatic close
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