Flow Switches

Spa and hot tub flow switches

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24v Solenoid Flow Control Valve - Gas Heater

SKU: 24vsolenoidvalve

24v AC, 50Hz solenoid gas flow control valve Theaded both ends 3/4" / 20mm thread....

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Artesian Spas / LA Spas flow switch

SKU: artesianop24-0027-71

Artesian Spas / LA Spas flow switch used with Gecko MSPA-MP spa packs - 3 pin plug. Also marked Harwil Q-12DS-C2 3/4" ribbed barb connections plus 3/8" ribbed barb 3rd connection which can be plugged if not...

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Elecro Flow Switch - Elecro Optima Compact 12kw - 24kw

SKU: elecroSP-107-C

Elecro Heater spare part - Elecro SP-107-C paddle style flow switch to suit all Elecro Optima Compact 3 phase heaters sold through spatex Suits all 3 phase units 12-24kw Overall stem/paddle length 40mm, ...

4 In Stock

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Elecro Flow Switch - Elecro Optima Compact 2.0kw & 3.0kw Units - Possible Titan Optima if modified

SKU: elecroSP-107-A

Elecro Heater spare part - Elecro SP-107-A paddle style flow switch to suit Elecro Optima Compact 2.0 and 3.0kw single phase heaters sold through spatex Marked PTA10530 (so is SP-107-B which has a shorter...

2 In Stock

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Elecro Flow Switch - Elecro Optima Compact 4.5 & 6kw Units

SKU: elecroSP-107-B

Elecro Heater spare part - Elecro SP-107-B paddle style flow switch to suit Elecro Optima Compact 4.5 & 6.0kw single phase heaters sold through spatex Marked PTA10530 (so is SP-107-A which has a longer padd...

4 In Stock

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Elecro Flow Switch - Elecro Titan Optima

SKU: elecroSP-107-D

NO LONGER AVAILABLE - Replacement with a modified alternate electroSP-107-A is possible - see information here Elecro Heater spare part - Elecro SP-107-D paddle style flow switch to suit all Elecro Titan...

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Harwil Flow Switch 3/4" Barbed Tee

SKU: hq34-0221

Harwil flow switch 3/4" barbed tee assembly used on numerous spas Harwil Q12DS-C2 switch mechanism threaded into barbed tee body ...

3 In Stock

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Harwil Flow Switch 3/4" Barbed Tee

SKU: hq34-0221-lc

Harwil flow switch 3/4" barbed tee assembly used on numerous spas Harwil Q12DS-C2 switch mechanism threaded into barbed tee body No connector on the cable end. ...

3 In Stock

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Harwil Flow Switch Replacement Mechanism 0.75" MPT thread

SKU: hq34-0221A

Harwil flow switch replacement mechanism used on numerous spas - 3/4" MPT thread - screws into barbed Tee fitting (outside diameter of thread is 26.5mm - 3/4" NPT thread) Harwil Q-12DS-C2 flow switch ...

6 In Stock

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Harwil Q-12 Spa & Pool Water Flow Switch

SKU: harwilq12

Harwil Q-12 Spa & Pool Water Flow Switch Pilot duty extra low voltage only. 1/2" NPT thread (21mm OD thread) Maximum length of submersion from top of thread/underside of nut - 66mm Length of submersion to ...

1 In Stock

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Harwil Q-8 DS Spa & Pool Water Flow Switch

SKU: harwilq8

Harwil Q-8DS Spa & Pool Water Flow Switch 15A, 12V-240V AC/DC 5-80 GPM range suits 1.5" and 2" pipe sizes, 1" NPT thread Manufactured from Noryl, 316 & 301 stainless steel and Viton ...

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Sundance Spas Flow Switch - Harwil

SKU: sd6560-860

Flow switch designed for use with low flow circulation pumps Extra low voltage only 3/4" barb tee body Used on Sundance Spas, LA Spas, Hot Spring Spas, and others using low flow circulation pumps for heating...

4 In Stock

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Waterco Digiheat Heater FlowCheck Flow Switch / Check Valve 50mm - 200lpm

SKU: wc85531

Waterco flow switch with check valve. Flow rate setting 200 lpm For use with Waterco Digiheat heaters 50mm / 2" sockets. ...

1 In Stock

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Waterco FlowCheck Flow Switch / Check Valve 40mm - 60lpm

SKU: wc85540

Waterco flow switch with check valve. Set to operate at 60 lpm flow rate. Low voltage, pilot duty flow switch contacts for use with low voltage control systems with solar controllers, etc 40mm / 1.5" so...

2 In Stock

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Zink (Ethink) KL8800 series H220 Flow/Temperature Sensor Union Assembly

SKU: ETH220FL

Zink KL8800 series and KL8-3A series heater flow / temperature sensor union assembly For use with H220 heaters only 1.5" / 40mm plumbing 1.5" / 40mm pipe glues into one end, with the other threaded to...

11 In Stock

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Zink (Ethink) KL8800 series H3800 Flow/Temperature Sensor Union Assembly

SKU: ETH380FL

Zink KL8800 series and KL8-3A series heater flow / temperature sensor union assembly For use with H380 heaters only 2" / 50mm plumbing 2" / 50mm pipe glues into one end, with the other threaded to the...

32 In Stock

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