Carrier P251-0083H Head Press Low Ambient Control 12-48 VAC (4.45 x 6.5 x 2.6 in)

Product Description

The Carrier P251-0083H is a head pressure and low ambient control for HVAC and refrigeration systems. It operates on 12-48 VAC and is designed to maintain head pressure under low ambient conditions while protecting system components. The unit includes an optional heat pump override and is compatible with select Carrier models such as PA11JA, PA12NA, and PH10JA.

• Operates on 12-48 VAC input for head pressure and low ambient control
• Includes optional heat pump override; protects against evaporator freeze-ups, low-pressure cut-outs, and liquid-slugged compressors
• Compact dimensions (4.45 x 6.5 x 2.6 in) and light weight (0.8 lb); intended for HVAC and refrigeration applications

Product Highlights

Head pressure/low ambient control, 12-48 VAC input, optional heat pump override, compact 4.45 x 6.5 x 2.6 in housing

Product Information

Standard Information

• Brand: CARRIER
• Manufacturer Part Number: P251-0083H
• Country of Origin: United States

Technical Specifications

• Brand: Carrier
• Manufacturer Part Number: P251-0083H
• Function: Head pressure / low ambient control
• Input Voltage: 12-48 VAC
• Optional Features: Heat pump override
• Dimensions (L x W x H): 4.45 x 6.5 x 2.6 in
• Weight: 0.8 pound
• Compatibility: Compatible with Carrier models including PA11JA, PA12NA, PH10JA
• Condition: New
• Country of Origin: United States