Johnson Controls P100AP-332 Pressure Control

The Johnson Controls P100AP-332 Pressure Control is a heavy-duty encapsulated pressure control engineered for condenser fan cycling in high-pressure R410A refrigerant systems. This direct mount, non-adjustable switch is a veteran choice for maintaining 100% reliable head pressure control in low ambient conditions. Built with a SPST (Single Pole Single Throw) configuration, it is designed to open on pressure drop at 300 PSIG and close at 400 PSIG. The automatic reset functionality ensures consistent system recovery without manual intervention, protecting the compressor from the erratic metering and hunting common in low-temp environments. Its open construction and compact, lightweight design allow for 1/4 inch female flare mounting directly to the high-side service port or Schrader valve, eliminating the need for additional capillary tubes and minimizing potential leak points. Rated for both 120/240 VAC applications, this Penn P100 series control provides the precise, repeatable snap-action performance required by HVACR contractors for professional-grade refrigeration and air conditioning maintenance.

• Optimized for R410A: Factory-calibrated setpoints (300 PSI Cut-out / 400 PSI Cut-in) specifically handle the high-pressure demands of modern cooling equipment.
• Enhanced System Protection: Prevents evaporator freeze-ups and compressor slugging by cycling fans to maintain stable discharge pressures.
• Direct Port Mounting: 1/4 in. SAE female flare fitting with built-in Schrader valve depressor allows for fast, tool-secure installation.
• Industrial Durability: Dust-tight encapsulated switch and steel construction withstand harsh vibration and wide ambient temperature ranges from -30 to 212?F.
• Versatile Electrical Compatibility: 120/240 Volt AC contact ratings support a broad range of commercial fan speed control and fan cycling tasks.

• Can this control be adjusted in the field? No, the P100AP-332 is a non-adjustable, factory-calibrated unit to ensure tamper-proof operation and consistent safety limits.
• Does this work with other refrigerants? While optimized for R410A head pressure ranges, it is compatible with all non-corrosive refrigerants if the system operating pressures align with the 300/400 PSIG setpoints.
• How does the automatic reset work? The switch opens when head pressure drops to 300 PSIG (stopping the fan) and will automatically close once the pressure rises back to 400 PSIG (restarting the fan).

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.