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Water circulation and heating system for spas

  • US 5,526,538 A
  • Filed: 05/04/1995
  • Issued: 06/18/1996
  • Est. Priority Date: 05/04/1995
  • Status: Expired due to Fees
First Claim
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1. A water circulation and heating system for a spa, comprising:

  • a heater,a low speed water pump connected to circulate spa water through said heater in a generally vertical direction, said pump causing water to flow through said heater at a first flow rate that would cause air entrapment in said heater if said water flowed through it horizontally,a plurality of low speed water jets,a first set of piping connecting said heater, low speed jets and low speed water pump, said first set of piping, heater, low speed jets and low speed plump comprising a low speed water circulation system,a plurality of high speed water jets,a high speed water pump connected to circulate said water through said high speed jets when said high speed pump is activated. anda second set of piping connecting said high speed pump and said high speed jets, said second set of piping, high speed pump and high speed jets comprising a high speed water circulation system,said high speed pump circulating spa water in said high speed circulation system at a flow rate that is higher than said first flow rate through said heater.

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