90-degree air bleed adapter, 1/4" thread

This 90-degree adapter has a 1/4-inch MPT end and a smooth 1/4-inch male end. It is often used in air-bleed valves and pump drain valves. The o-ring is supplied with the adapter.

The threaded end can be screwed into the drainage point (it can replace a drain plug) on the wet end of most Waterway and Aqua-Flo pumps, among others.

Other adapters, such as 3/8-inch, 3/8-inch stainless steel version and 1/4-inch are available.

Compatible pumps
Koller single and two-speed
Waterway Iron Might, Executive single-speed and two-speed, Viper, Hi-Flo single-speed et two-speed
Aqua-Flo Flo-Master XP2, XP2e single and two-speed
Some Balboa and HydroAir pumps
LX Whilpool new models (made since 2018)

Dimensions
Outside diameter threaded side: 13 mm or 1/4-inch MPT
Outside diameter smooth male end : 14 mm
Inside diameter smooth male end: 10 mm

Part numbers
Koller: P-600990-D