Waterway Deluxe Return Fitting With Eyeball [1-1/2" Barb, 3-1/2" FD, 3/4" Orifice] [Grey] (550-9337) leviton A stack kit is useful

A stack kit is useful because it helps create the intended connection between the heater and the indoor vent path

Approximate size of 1-13/16 inches by 3-3/8 inches

Pressure switch adds flow based operational protection

A properly selected Laing Thermotech circulation pump contributes to more dependable water flow and more accurate restoration of the supported system

Waterway Deluxe Return Fitting With Eyeball [1-1/2" Barb, 3-1/2" FD, 3/4" Orifice] [Grey] (550-9337) leviton A stack kit is usefulThe Waterway 550 9337 deluxe return fitting with eyeball is designed for compatible return applications using a 1 1 2 inch barb connection, a 3 1 2 inch face diameter, and a 3 4 inch orifice. This style is useful where the installer wants a more focused return stream than a larger orifice would provide while still replacing the fitting as a complete assembly. The gray finish gives the visible face a neutral, refined appearance that blends well in many