Featuring a rugged iron body and a 2-inch FNPT inlet with a 2-1/2 inch expanded outlet

Designed for demanding contractor environments

providing flexibility across various HVACR configurations

providing reliable performance in commercial and residential air handling units

or floating/two-position signals via field-selectable DIP switches

Mueller A17520 Service Valve 321142-301 Featuring a rugged iron bodyThe Mueller A17520 Service Valve is a heavy duty brass compressor valve designed for critical flow control in commercial refrigeration and air conditioning systems. Engineered as a 5 8" 45 degree flare double port component, this valve facilitates seamless gauge manifold attachment and system evacuation. With a design pressure (DP) of 700 psig (48 bar), it meets the rigorous demands of high pressure HVACR refrigeration cycles and is compatible with a