Mueller Industries AH17430 3/8" Pressure Relief Valve 400 PSI ATMOS NPTFE Inlet

The Mueller Industries AH17430 Pressure Relief Valve controls excess pressure release by opening when the system reaches the required pressure limit. This valve includes a 3/8" size, 400 PSI rating, ATMOS configuration, and NPTFE inlet connection for the specified equipment setup. Used within HVAC systems, the valve is positioned in the pressure control section to manage safe release operation. It responds automatically to pressure changes by allowing controlled discharge when needed. Proper relief valve operation maintains pressure balance and supports the intended flow conditions within the equipment.