Mueller AI15504 Relief Valve 321894-709 this 3-phase HVAC compressor is

this 3-phase HVAC compressor is designed to handle the rigorous demands of rooftop units and large-scale split systems

Regular use of this industrial solenoid rebuild kit extends the service life of your equipment while preventing costly system downtime

Ease of Installation: Solid copper sweat connections allow for straightforward brazing into existing liquid lines

preventing refrigerant loss and moisture ingress

With color-coded wire leads and spade connectors

Mueller AI15504 Relief Valve 321894-709 this 3-phase HVAC compressor isThe Mueller AI15504 Relief Valve is a veteran grade SafetyMaster pressure relief valve designed for mission critical overpressure protection in commercial refrigeration and HVAC systems. Engineered for high side application on liquid receivers, this straight through 425 PSI PRV features a 1 2 inch NPTFE inlet and a 5 8 inch flare outlet connection. The brass body construction, paired with a stainless steel spring and a resilient neoprene seat disc,