Made by Harwil
Available in 2 types, both have 3/4" connections but this one has a small connection that comes of the bottom which is used to empty all the water out when the spa is drained down, please see images.
This product is one of the most popular hot tub flow switches and can be found in use on numerous brands of hot tubs and spas.
This product is a favourite with hot tub owners as it in ingeniously simple to fit.
The hot tub switch can be removed to easily replace the existing switch without having to do any complicated hot tub plumbing.Dimensions
- Length: 12.5cm
- Height: 6.5cm
- Thread: 1" (switch thread width)
- Connections: 2 x 3/4" (internal plumbing pipe size) and 1 x 3/8" lower port