Category: Heaters

High Performance Electronic Ignition Heaters

Powerful, efficient, and reliable, MegaTherm® pool heaters are designed for commercial, institutional and large residential pools where economical performance and rapid heat-up are required. Available in indoor and outdoor models in both natural and propane. MegaTherm is design certified to the ANSI® Z21.56 Standard for Gas-Fired Pool Heaters. (Outdoor 500-1825 units are certifi ed for use without the addition of a draft diverter or external vent. Indoor units incorporate a built-in draft diverter and require only vent piping.) Salt water models (500-1825) are available with cupronickel alloy heat exchanger tubes and bronze headers and header covers.


  • Electronic ignition
  • Built-in draft diverter (indoor models) simplifies installation
  • Integral pump assures proper water flow (Models 500-1825)
  • Automatic gas valve
  • Stainless steel burners, with slide-out burner tray for easy maintenance and long life (Models 500-1825)
  • High temperature refractory firebox liner to 2000° F for greater efficiency
  • Easy-to-service header flanges
  • Corrosion-resistant glass-lined or bronze headers
  • CSD-1 and other options available.

  MegaTherm Data Sheet
  MegaTherm 2000-5000 O & M
  MegaTherm 500-1825 O & M

About AES

Aquatic Environmental Systems was founded in 1983 to be a resource for swimming pool and water treatment professionals in the Southwest.  From a desk and a telephone in a walk-in closet, we have grown into over 6,000 square feet of space, eleven employees and five service vehicles in Arizona and New Mexico.  This has enabled us to better serve a diverse group of professionals in the water treatment and recreational water community in Arizona, New Mexico, El Paso and West Texas.

Employing the latest in proven technology, we are able to offer solutions for virtually all of the aquatic recreation and water treatment needs of our partners.

With the over 90 years of combined experience of our staff, you can be confident that we will provide solutions that are in your best interests.