975XL AIR GAP 1/4" - 1/2"
Air Gap Drain cup easily attaches to the relief valve and is threaded for attaching pipe to take to a drain. Threads are 1"
WILKINS AG-4 3/4" - 1" AIR GAP FOR 975XL
AIR GAP FITTING THAT EASILY ATTACHES TO THE BOTTOM OF THE 975XL AND 975XL2 MODELS, 3/4" AND 1". HAS A THREADED FITTING TO THREAD PIPE TO THE BOTTOM TO RUN IT TO A DRAIN.