SpaPartsNet.Com: The finest Customer Technical Support the World Over! Toll Free: 1-866-364-9681 Spa-Packs-Controls Spa-Pumps Electric-Heaters-Parts Blowers-Motors Spa-Replumbing Air-Buttons Electrical-Parts Circuit-Boards See More at SpaPartsNet Spa Builders Systems Group LX-15 Spa Control - Pack As low as $585.75 ES-Combo 120/240v, 20 Amp Circuit, 1 to 2 HP $30.00 Ramco/SpaTemp ST-2115 CB As low as $129.89 Waterway Mini Storm Jet Insert - Directional As low as $9.95 Air Button, Long Throw $24.15 Circulation Pump Based Heating Systems, Dimension One Spas Previous The same operating principles described in the previous section apply to this spa heating system as well.  The only difference is the circulation pump, plumbing, and heater design.  Any suggestions?  (We're always looking for new things here!) Email us:  Site Suggestions   Parts or Tech Help