ensuring reliable refrigerant flow reversal to clear frost without compromising compressor longevity

Key Benefits Enhanced Safety: The microprocessor design provides repeatable timing for 4-second TFI and 30-second post-purge to prevent gas accumulation

It's designed for broad compatibility with 3L

Built with a durable brass body and extended copper connections

dry air environments

Browning 1VL44X1/2 Sheave 318973-401 ensuring reliable refrigerant flow reversalThe Browning 1VL44X1 2 Sheave is a high grade cast iron variable pitch pulley engineered for precision performance in HVACR air handling units and industrial drive systems. Featuring a 1 2" fixed bore and a 4. 15" outside diameter, this single groove sheave is designed for contractors requiring fine tuned control over fan speeds. Utilizing VL variable pitch technology, it provides an adjustable pitch range of 2. 7" to 4. 2", making it compatible with