you must use 5/32 in

the MK-4801 handles a 30 psig maximum air pressure

Featuring a nominal 10-second stroke time on and a fast 5-second stroke time off

tool-free installation on Danfoss EV210B

which results from poor venting

ASCO 218-936 Clips 318518-761 you must use 5/32 inThe ASCO 218 936 replacement metal clips are essential solenoid valve clip components designed for secure coil retention on M 12 solenoid stalks. This 10 pack of metal clips ensures reliable long term performance in demanding HVACR and industrial fluid control applications. Engineered for precision, the 218 936 is the direct replacement for 218 931, featuring a high tension spring steel construction that resists vibration and mechanical fatigue. Using