What does a flow switch do on a hot tub?
Hot tub flow switches and pressure switches monitor the flow of water through your tub and act as a safety device, turning the heater off if the water flow is interrupted. This safety mechanism is built into hot tubs to prevent damage to your heater and other equipment.
How does a water pump flow switch work?
A flow switch operates by conveying a trip motion (relay, reed switch, paddle) to another machine within the system, usually a pump. The trip signal will indicate to the pump to turn on or turn off. It is necessary to provide damage protection and circuit cooling or adjust flow rates that are too high or too low.
What is a pump flow switch?
The flow switch is designed to monitor the flow of air, liquid or steam. The device transmits a trip signal through to another device in the system, called a pump. Flow switches are typically built to indicate to the pump regarding shutting off or to turn on. It can start a motor once a flow is present.
What to do if there is no action from your circulation pump?
If there is no action coming from your circulation pump, see if your control panel is giving you an error code, typically a FLO or OH error when dealing with a dead pump. Check that your power is on, the breaker or GFCI test button are not tripped, all valves are in the open position.
What does a circulation pump do in a spa?
Circulation pumps are low-flow pumps that constantly circulate in water as slowly as possible to provide your spa a continued filter, heat and chemically treated water.
How to check your hot tub flow switch?
When this switch is closed or signaling water flow, it closes the circuit and tells the board its safe to turn on the heater. Easy to check if its defective…switch closed should provide full continuity; pinch the switch to the pole and it should close to the circuit between the red and black wire…if it doesn’t-your switch is bad.
What kind of flow switch does a Sundance Hot Tub use?
This flow switch fits all 1999-present 2 pump or 3 pump systems and 2001+ 1-Pump Capri Systems. Used on the following Spa Models: Sundance 800/850/880 Series, 1999 – Present Sweetwater and Portifino Series with Circulation Pump Jacuzzi J-300 LCD Series Models, 2002+ (with box end connectors).
