MARS 43330 Pressure Switch R-22 Featuring a standard 1/4" barbed

Featuring a standard 1/4" barbed connection

it is designed with a corrosion-resistant manifold and a pre-installed gasket on the door for a verified airtight seal

Durable OEM Construction: Built with heavy-duty electrical contacts and rugged housing to withstand high-vibration HVACR environments

Direct Cross-Reference: Specifically replaces old or malfunctioning 0270A00914S units with improved manufacturing standards

it is built to withstand the demanding conditions of commercial and industrial heat exchangers

MARS 43330 Pressure Switch R-22 Featuring a standard 1/4" barbedThe MARS 43330 Pressure Switch is a professional grade high pressure cut out designed for precise system protection in residential and commercial HVAC R systems. Engineered as a fixed setting pressure control, this SPST high pressure switch features an automatic reset (A R) mechanism, opening the circuit on pressure rise at 400 PSI and closing it back at 280 PSI. This reliable electromechanical sensor is essential for preventing compressor damage due