Swimming Pool Heat Exchanger - 155K SS316L Same Side 1 1/2" & 1" FPT

AB Swimming Pool Heat Exchangers have an innovative spiral-twisted corrugated tube design that is engineered to maximize solar or boiler energy, increasing the overall thermal efficiency of the system. The tube's design also ensures high velocities inside the unit, making our Swimming Pool heat exchanger a very reliable, efficient and cost-effective way to transfer heat indirectly between any hot water circuit, steam circuit and any pool or spa application. This model with opposite side ports also available.

  • Pool heating capacity up to 11,900 gallons 155 kBtu/hr pool based on 60°C (140°F) temperature difference between incoming heating and heated water
  • Fully made of high-grade anti-corrosion stainless steel 316L for swimming pool, spa, hot tub with chemical treatment.
  • 1 1/2" FPT same side for pool water and 1" FPT for hot water
  • Application in Pool/spa/hot tub heating, outdoor wood furnaces, hydronic heating, floor radiant heating, snow melting, solar water heating
  • 1-year warranty to cover manufacturer defects.

 Product Information

Model SP-155K-S Capacity 155,000 Btu Pool Capacity
(Gal. @ 1F/hr)
13,300 Gal
Wattage 45kW Heat Transfer Area 3.552 ft2 Shell (Pool) / Tube (Hot)
1 1/2" / 1"
Hot Water
Flow Volume
8.46 GPM Hot Water
Pressure Drop
1.10psig   Materials Stainless Steel 316L
Cold Water
Flow Volume
62.66 GPM Cold Water
Pressure Drop
1.58psig Dimensions 17.71" x 2.99"
Minimum Temperature -19F Maximum Temperature 406F     Weight 7lb
Design Pressure 190psi Test Pressure 285psi
SPHE Brochure.pdf
Limited Warranty of Heat Exchanger.pdf
Instruction Manual.pdf

If you have any special requirements, please fill the Heat Exchanger Sizing and Quote Form.pdf

FAQ and Support
Tips for installation:
Vibrations can cause damage to the heat exchanger. Attaching the heat exchanger to a wall, ceiling, or floor by using wall brackets will steady it against vibrations.
We have worked with heating systems for over 10 years and are happy to help you with any questions or concerns that you may have. You can email us at info@alfaheating.com or call us at 833-328-6888 for help with your heating projects.