Check Valves Configuration:1/8" NPT (M) to 1/8" NPT (F) (O.D. 14mm) 25% duty cycle

25% duty cycle

whereas the manual configuration needs to be checked and drained by hand periodically

2 Dual 425C Onboard Air System (OBA) is our fastest filling OBA

VIAIR’s Dual 444C Onboard Air System is a pre-packaged compressed air solution that provides two 444C

black sleeved stainless steel leader hose and black nickel plated check valves that eliminate the possibility of high amperage restarts

Check Valves Configuration:1/8" NPT (M) to 1/8" NPT (F) (O.D. 14mm) 25% duty cycleCheck valves are one way pneumatic valves designed to be installed in the leader hose or exhaust port of the compressor. They keep the high air pressure away from the compressor head, preventing high amperage starts and extending the life of the compressor. *Torque spec for 1 8" NPT is 10 11 lb ft *Torque spec for 1 4" and 3 8" NPT is 12 15 lb ft