New Old Stock (NOS) Genuine Totaline / Carrier P251-0083H Head Pressure Control in original retail packaging.

Designed as a temperature-sensitive condenser fan speed control for maintaining proper head pressure during low-ambient operation. Suitable for air-conditioning and heat-pump applications.

Part Number: P251-0083H

Control Input: 18–30 VAC/VDC (24 VAC nominal)

Output: 120–480 VAC

Output Current: 100 mA minimum / 10A maximum

Frequency: 50/60 Hz

Features: Integral heat-pump bypass, adjustable hard start, adjustable low-speed cutoff, high-temperature bypass and control for up to three refrigerant circuits.

Cross References: Hoffman 800, 800A, 800AA, 814-50; Ranco E31 Series; Johnson Controls P66; ACT FM2000.

Condition: NOS/unused old inventory in original packaging. Packaging has shelf/storage wear, dirt and discoloration from age. Please review photos for exact condition and contents.