The self-centering adapter fits round shafts from 3/8 to 1

suitable for most multi-story hydronic installations

preventing premature belt wear

The board includes integrated diagnostic capabilities to facilitate field troubleshooting

Featuring a 6-inch stainless steel probe

Carrier 331709-751 TXV Valve 322056-301 The self-centering adapter fits roundThe 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