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or cold water through heat exchangers and coils
The T678A duct stat features two SPDT switches that operate in sequence
and SV9502 series
For high-demand air handling applications
This replacement thermocouple provides a stable 25-35 mV open circuit range
Carrier 321097-201 Check Valve Refrigerant or cold water through heatThe Carrier 321097 201 Check Valve is a critical fluid control component engineered for precise refrigerant migration management in high performance split systems and packaged units. Designed to maintain HVAC unidirectional flow, this valve prevents liquid refrigerant from migrating back into the compressor during the off cycle, mitigating the risk of flooded starts and oil dilution. This specific Carrier OEM check valve is built to withstand the high
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