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For technicians retrofitting older pneumatic systems or maintaining existing hydronic loops
Ensure the transformer has sufficient VA capacity to handle the solenoid coil draw during the heating cycle
The Field Controls 094021A0204 Probe Assembly
Precision Control: Features an 8-13 psi nominal spring range for accurate proportional damper control
Carrier HK02ZZ001 Pressure Switch 326058-757 For technicians retrofitting older pneumaticEnsure reliable high side protection with the Carrier HK02ZZ001 High Pressure Switch, an essential OEM replacement pressure switch for commercial and residential HVAC R systems. This factory authorized component is engineered specifically for Carrier and Bryant equipment, serving as a critical safety limit that prevents compressor damage during over pressurization events. With a precise high pressure cutout threshold of 650 PSI and a 500 PSI reset,