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By utilizing an OEM Williams vent extension
Whether you are servicing a furnace or an air handler
Common issues include soot accumulation
reducing the need to carry multiple differential pressure switch models in your service van
Common Questions What is the maximum current rating for the MARS 43066
Johnson Controls P170DA-400 Pressure Control 30067439-890 By utilizing an OEM WilliamsThe Johnson Controls P170DA 400 Pressure Control is a heavy duty high pressure cutout switch engineered for critical over pressure protection in commercial refrigeration and HVAC systems. As a manual reset pressure control, it provides a hard lockout when system pressures exceed the technician defined setpoint, preventing compressor damage and ensuring a thorough inspection before the system returns to service. This SPST high pressure control features