Johnson Controls P170DA-400 Pressure Control 30067439-890 and the Conbraco 50-303-02 Valve

and the Conbraco 50-303-02 Valve is a staple for high-capacity burner gas control valves

Common indicators include the furnace cycling on and off quickly

also identified as the P20BB-1C

the Emerson 049169 provides the professional-grade filtration required to maintain optimal refrigerant chemistry and prevent system contamination

Johnson Controls P170DA-400 Pressure Control 30067439-890 and the Conbraco 50-303-02 ValveThe 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