APRV Anton pressure relief valve is designed to simplify let by & tightness testing by enabling the engineer to get the desired gas pressure on their U gauge / pressure meter without having to keep pulling off the hose and making repeated adjustments.
This time saving accessory simplifies the process, and is available from most good trade counters.
Includes:
Simple thumb relief valve with O-ring seal
1 metre good quality pressure hose
Push fit T piece, so hose length can easily be changed to suit