Replace a 1.5" union socket with one of these and as the water passes through the special teeth, the friction caused will heat water. Seems to good to be true but it actually works.
This is pretty much the only option to heat water in a Softtub or Eco Spa with a failed heat recovery pump. Of course you will need to purchase a pump and have the plumbing adjusted so we recommemed its fitted by a qualified Spa Technician.
They can also be used with conventional hot tubs with heaters and 24hr circ pumps to help heat the water faster.
Connection type: Glued Female Socket.
Connection Size: 1.5" (48mm)
Requires constant flow.
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