Johnson Controls P70AA-118C Pressure Control

Johnson Controls P70AA-118C Pressure Control is a reliable high‑pressure switch engineered for precise condenser fan cycling, head‑pressure control, and commercial refrigeration systems. Operating over 100 to 400 PSI with a maximum line pressure rating up to 475 PSI, it provides robust protection across varied load conditions. Featuring a SPST contact configuration and a 1/4 inch flare connection, the unit fits standard control circuits in a NEMA 1 enclosure. Capillary length is 36 inches, offering flexible mounting options and dependable response in tight spaces.

Built for demanding HVAC and refrigeration environments, the P70AA-118C supports multiple voltage and horsepower ratings, ensuring compatibility with a wide range of compressors and controllers. Its versatile performance helps maintain optimal head pressure and condenser efficiency while safeguarding equipment from overloads.

• Operating pressure range: 100–400 PSI
• Maximum line pressure: 475 PSI
• Differential pressure: 35–200 PSI
• Contact configuration: SPST
• Contact ratings: 120 VAC 24 A 2 HP; 208 VAC 18.7 A 3 HP; 240 VAC 17 A 3 HP; 120–600 VAC 125 VA; 120–300 VDC 57.5 VA
• Connection: 1/4" flare
• Enclosure: NEMA 1
• Capillary length: 36 inches
• Applications: condenser fan cycling, air conditioning, head-pressure control, commercial refrigeration