Flow sensor replacement o-ring Bestway Lay-Z-Spa


This is a replacement silicone rubber o-ring to repair the water flow sensors on the Bestway family of inflatable hot tubs which include the Coleman and Lay-Z-Spa brands.   It is the larger o-ring that is on the top of the sensor body that creates the seal when the sensor flap cover is installed.


This is a flow sensor replacement o-ring used in the Bestway, Coleman and Lay-Z-Spa brands of inflatable hot tubs.  This seal only fits the older egg style water flow sensors.  This does not include the two smaller o-rings on the input and output pipes.  If you find that your pump/heater unit is leaking water around your water flow sensor, the seal inside of the cap may be damaged.  This is a high quality replacement silicone o-ring to replace your worn one under the cap.  If you are replacing the flow sensor o-ring, check your flow sensor cap and the flow sensor magnetic paddle for damage.  If you have a damage flow sensor cap, you can get my replacement by clicking this link.  IF you need a replacement magnetic paddle also, you may want to look at my kit that contains the o-ring, the nylon retaining pin and the o-ring seal by clicking here.

Additional information

Weight 0.1 lbs
Dimensions 3.56 × 2 × 0.1 in


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