FEATURES

• Longer Life
  Because all waterways are corrosion-free copper and bronze - not aluminum. And, SpaPak features large size, heavy duty Incoloy heating elements that lasts far longer than ordinary water heating elements.
• Troublefree
  Because SpaPak has extra quality and safety built-in - a pressure switch to prevent operation without water flow, a high limit temperature control to prevent overheating and a dependable quality thermostat.
• Easy to Install
  With a compact design that fits into small spaces. Standard size, full flow 1-1/2" inlet and outlet connections are conveniently located. External current leak protectors are not required.
• Two Year Limited Warranty
  Against defects in materials and workmanship (see written warranty for details). In addition, every SpaPak is thoroughly tested before shipment.
• Sizing Guide

The following table shows the heating capability for each model in temperature rise per hour with a given amount of water. For example, the 11kw unit will raise the temperature of 450 gallons of water 10 degrees Fahrenheit in one hour. To determine the gallonage of your spa, multiply the surface area x average depth x 7.5. Water Temperature Rise in oF/Hr. Model 5o 10o 15o 20o 25° Gallons of Water 5.5KW 450 225 150 113 95 11KW 900 450 300 225 190 Always cover your spa or hot tub when not in use to minimize heat loss and evaporation, and to decrease the time need to heat water. Specifications & Dimensions Model A B* Water Conn. C Voltage Single Phase Shipping Weight (lbs) 5.5KW 16-1/8" 8" 1-1/2" 4" 240 26 11KW 23-1/8" 15" 1-1/2" 11" 240 31 *Center-line distance between water connections.