Description
The Mueller Industries AP15504 700 PSI 1/2 National Pipe Taper Fuel End and 5/8 Flare Pressure Relief Valve, the Mueller Industries AP15504 is designed to ensure reliability and safety in HVAC systems. For protection of the equipment from damage and to ensure that they deliver their better, this valve is crucial in the control. It is for high pressure often used in HVAC systems due to its construction and 700 PSI working pressure. When the pressure goes off its limit, the valve opens up to help move the extra fluid or gas to help maintain a safer environment of work.









