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Flow Switches
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New products
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Hot-Springs Pillow
The Hot Spring Limelight Collection Pillow / Headrest fits the following...
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Water Tank 2,000 litres
Collapsible water tank. Essential for hot tub servicing. 2metre...
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Freshwater Salt System Cartridge x3
Replacement Hot Spring Freshwater Salt Cartridge. Replace every 4...
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Freshwater Salt System Cartridge x1
Replacement Hot Spring Freshwater Salt Cartridge. Replace every 4...
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Freshwater Vanishing Act
Hot Tub Calcium Hardness Remover A simple way to reduce the calcium...
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Freshwater Salt Test Strips
HotSpring Salt Water Test Strips Test for Sodium Chloride (Salinity)...
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Light lens and seal kit
Hotspring large light lens and seal kit. Front face diameter 135mm. Back...
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Hotspring Heater O ring gasket 2"
Hotspring heater o ring gaskets, sold in pairs. Hotspring part number...
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Waterlab Chamber
Seamless under-the-spa inline integration No intrusive devices in your...
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Gecko IN.TOUCH 3+ KIT
IN.TOUCH 3+ Kit includes: 2 communication transmitters: In.touch 3+...
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Gecko IN.TOUCH-3 KIT
IN.TOUCH 3 Kit includes: 2 communication transmitters: In.touch 3 Spa...
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Hot Tubs/Jetted Baths - Gallon - 64 Flushes
One gallon of liquid Ahh-Some, enough for 64 hot tub flushes. This is...
Viewed products
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Sundance Control Panel...
Sundance models 2001-2004 and 2013
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5" CMP Directional Jet...
5" CMP Directional jet, Smooth...
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Waterway drain valve -...
3/4" socket pipe connection
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.
Flow Switches There are 9 products.
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COMMON - Switch only Q-12DS
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" - 26mm Grey probe length : 1" - 26mm COMPARE THESE DETAILS WITH WHAT YOU HAVE ! Read down.
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COMMON Tee 3/4" x 3/4" and switch
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.
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COMMON Tee 3/4" x 3/4" x 3/8" and switch
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.
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Flow switch 1-7/8 probe (3/4" thread)
60-1008 Long probe version, Length of grey probe arm: 46mm (1-7/8") Outer thread diameter: 20mm (3/4"), Total Length: 90mm.
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Gecko Flow Sensor for XE and YE heaters
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 ----
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Harwil flow switch with transparent Tee...
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.
