Emerald Spa Air Control Valve Slimline STRSL 90021700

Original Emerald Spa air control valve 90021700 is the Slimline STRSL style. This valve has a flat top and comes with gasket.

This is a 1 inch valve that requires 1 3/4 inch hole size.  Diameter across top is about 2 1/2 inches.   1 inch valve refers to inner diameter of attached hose/plumbing size.

The window on the handle shows MIN position and other positions as it is turned.  Color is gray.

Comes with mounting gasket and nut.  This is the original Emerald Spa Slimline valve with 1 inch connection.

We also offer the 2 inch Slimline air control valve (91021400).

This part is being phased out by the manufacturer and is now replaced with  91016711 .  Will replace with the more expensive replacement as long as this sku remains live.