Mueller AI15504 Relief Valve 321894-709 Proper alignment with this HVAC

Proper alignment with this HVAC linkage kit reduces lateral load on the actuator bearings

With color-coded wire leads and spade connectors

or visible debris buildup and fin deformation that causes the HVAC blower motor to draw high amperage

This model is configured for Counter-Clockwise (CCW) rotation when viewed from the lead end

Mueller AI15504 Relief Valve 321894-709 Proper alignment with this HVACThe 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,