Flow switches are less common in hot tubs than pressure switches. They detect water flow. Water flow moves a tiny paddle that operates a micro switch.
This section also represents the only Harwil flow switches available.
It is EXTRTEMELY important that you follow dimensions and NOT Q-12 codes.
If you Harwil switch is not here, we cannot help - s...
Flow switches are less common in hot tubs than pressure switches. They detect water flow. Water flow moves a tiny paddle that operates a micro switch.
This section also represents the only Harwil flow switches available.
It is EXTRTEMELY important that you follow dimensions and NOT Q-12 codes.
If you Harwil switch is not here, we cannot help - sorry.
60-1008 Long probe version, Length of grey probe arm: 46mm (1-7/8") Outer thread diameter: 20mm (3/4"), Total Length: 90mm.
Gecko surface mount flow sensor for Gecko XE and YE heaters. SEE PICTURES If you have a flow error with your heater, this is absolutely a first stage repair, to try, before moving onto more expensive parts, ie the spa pack. Supplied : Small plastic block and cable. x2 bolts x1 self adhesive pad (postage stamp size) Scroll down to read more ----
THIS IS THE MOST COMMON HARWIL. This is the switch ONLY and will fit the three styles of Tee, pictured. With a cable and plug. Thread diameter : 1" Grey probe length : 1-1/4" COMPARE THESE DETAILS WITH WHAT YOU HAVE ! Read down.
Flow Switch 1A 3/4" Barb x 1/2" Slip 24" Cord w/2 Pin Connector. Used on Dimension 1 Spas since it has a socket end on the plastic tee to be glued onto the Laing heater. If you don't need the plastic assembly, just buy the switch shown below as an accessory.
Plastic assembly 3/4" x 3/4" x 3/4" fitted with switch Q-12DS Thread diameter : 1"Grey probe length : 1-1/4" If you don't need the plastic assembly, just buy the switch shown below as an accessory.
Plastic assembly 3/4" x 3/4" barbs at each end and fitted with switch Q-12DS Thread diameter : 1"Grey probe length : 1-1/4" If you don't need the plastic assembly, just buy the switch shown below as an accessory.