The Raypak Millivolt gas heater comes with one mechanical thermostat. This control allows you to set your swimming pool or spa temperature precisely at your favorite setting.
Built-in Wind Resistant Design
The Raypak Millivolt has the best outdoor design in the market today. No need for fans to combat drafting problems, the Raypak Millivolt was designed for outdoor installations with its exclusive low profile design. It is so thoughtfully and carefully designed it actually protects itself from the things that tend to stifle ordinary pool and spa heaters: falling leaves, wind, airborne debris, rain, downdrafts, updrafts, sleet, snow, etc.
One look will tell you that the Raypak Millivolt is different. The look is contemporary; the design is advanced, and inside and out it's engineered to last. The attractive forest green and charcoal gray panels complement the latest pool and spa equipment designs. Raypak's original "pagoda top" design will keep the heater operating even in extreme wind conditions and downdrafts.
Copper Heat Exchanger
All Raypak Millivolt gas heaters come standard with integral copper finned tube. This means that the fin tubing is made from one piece of extruded copper tube. Since the fins are integral to the tube, maximum heat transfer is attained. Every Raypak Millivolt has the same robust design tube bundle that we use in our large gas commercial boilers.