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Field-Adjustable Sensitivity: Technicians can fine-tune the throttling range between 0
and ZR300KC models
Does this valve support lead-free installations
This specific model is the standard mechanical version
Carrier 331709-751 TXV Valve 318973-401 Field-Adjustable Sensitivity: Technicians can fine-tuneThe Carrier 331709 751 TXV Valve is a direct OEM replacement designed to manage refrigerant flow in 3 ton R 22 air conditioning systems. As a veteran technician knows, maintaining precise superheat at the evaporator is critical for protecting the compressor and maximizing system capacity. This thermostatic expansion valve utilizes a bi metal construction to respond accurately to thermal changes, ensuring the metering device provides the exact mass
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