Carrier 312926-252 High Pressure Switch, 670-470 Psi

The Carrier 312926-252 High Pressure Switch is a factory authorized OEM component built to monitor excessive refrigerant or system pressure in commercial and residential HVAC systems. When pressure climbs above a safe threshold, this switch activates to protect compressors and other critical system parts from damage — helping ensure longer equipment life and safer operation.

Key Features

• High-pressure cutoff range: 470 to 670 psi — designed for systems operating under elevated pressure levels.
• OEM quality from Carrier — preserves system compatibility, warranty integrity, and ensures reliable performance.
• Compact form factor — approx. 3.6″ length × 4.4″ width × 0.4″ height, lightweight and easily installed in tight HVAC cabinets.
• Wide application scope — suitable for many Carrier/Bryant/Payne packaged units, rooftop units, and commercial air conditioners that specify the 312926-252 switch.
• Enhances system safety and uptime — By providing precise pressure monitoring and cut-off control, it helps reduce compressor failures, refrigerant leaks and prevent costly downtime.