Carrier 30GX660025 O-Ring Kit 318518-761 the HCA charge is specifically

the HCA charge is specifically intended for heat pump cycles

and water with precision

with precision repeat accuracy that remains unaffected by ambient temperature fluctuations at the control diaphragm cup

it must be ordered separately as part of a float kit

This centrifugal blower assembly is critical for maintaining proper static pressure and ensuring efficient combustion by venting flue gases effectively

Carrier 30GX660025 O-Ring Kit 318518-761 the HCA charge is specificallyThe Carrier 30GX660025 O Ring Kit is a critical service component engineered specifically for Carrier Everlast air cooled chillers and water cooled screw compressors. Designed for high pressure HVAC refrigeration systems, these elastomeric seals maintain the integrity of the compressor housing and refrigerant circuit connections. This kit ensures a tight, leak proof seal under the fluctuating thermal loads common in industrial chiller maintenance.