Current Category Sensors - Temperature, Thermostats, Flow, Pressure > Flow Switches
 


Spa water flow switches - paddle style microswitch and magnetic reed switch operated





Harwil Q-12DS-C2 Low Flow Spa Flow Switch sd 6560-860 Harwil Q-12DS-C2 Low Flow Spa Flow Switch

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 circulation


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Harwil Q-12 Spa & Pool Water Flow Switch harwil q12 Harwil Q-12 Spa & Pool Water Flow Switch
Harwil Q-12 Spa & Pool Water Flow Switch
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Harwil Q-8 DS Spa & Pool Water Flow Switch harwil q8 Harwil Q-8 DS Spa & Pool Water Flow Switch
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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Kelco F25B Ultraswitch Corrosion Resistant Spa & Poo Waterl Flow Switch kelco f25b Kelco F25B Ultraswitch Corrosion Resistant Spa & Poo Waterl Flow Switch

Kelco F25B Ultraswitch Water Flow Switch is used in place of, or in conjunction with, pressure switches, particularly where pressure switches are ineffective due to high pressures, and lack of pressure even though adequate flow is present making a flow switch ideal.
Kelco Flow Switches are useful as spa and pool heater protection, and pump dry run protection.
1" BSP thread



Kelco F25B Technical Data & Information
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Kelco F27B-240 Time Delay Spa & Pool Water Flow Switch kelco f27b Kelco F27B-240 Time Delay Spa & Pool Water Flow Switch
Kelco F27B - 240 Time Delay Spa & Pool Water Flow Switch
Prevents Pump/Heater cycling on/off due to paddle bounce where flow fluctuates
1" BSP thread

Kelco F27B Technical Data & Information
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Dimension One Spas, Ramco, Evolution M-1 Spa Flow Switch Grid Control - 1A m-1 Dimension One Spas, Ramco, Evolution M-1 Spa Flow Switch Grid Control - 1A
Usually found fitted to Dimension One Spas with Crystal Pure Water Management Systems in the early to mid '90's.
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Onga Dega Degas Spa Gas Heater Flow Switch Magnet dega flomag Onga Dega Degas Spa Gas Heater Flow Switch Magnet
OBSOLETE
Dega Degas 100 MJ spa gas heaters utilize a water flow switch. In this switch a magnet is positioned on the paddle. These magnets commonly rust and lose their magnetism - replace the magnet and remove the flow error.
20mm Long x 4mm Diameter (original magnet was not cylindrical - it had square edges)

AUD



Sorry .... Obsolete !



24v Solenoid Flow Control Valve - Gas Heater as 1-000-07 24v Solenoid Flow Control Valve - Gas Heater
24v AC, 50Hz solenoid gas flow control valve
Theaded both ends 3/4" / 20mm thread.
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