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Wind Resistant
• Built-in Wind Resistant Design
The Raypak Millivolt has the best outdoor design in the market today. With over 50 years in designing and building gas heaters, Raypak has put all that experience into its newest design. 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. In fact it is so efficiently designed it ensures uninterrupted heating performance regardless of all but the most extreme weather conditions. Built Raypak tough. Built to last.

Simple Controls
• Mechanical Thermostat
The Raypak Millivolt gas heater comes with one mechanical thermostat. This control allows you to set your pool or spa temperature precisely at your favorite setting. Just set it, and forget it! Truly simple.

• Smart Design
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.
• Polytuff Powder Coating
The Raypak Millivolt has a polyester coated, non-corrosive cabinet that is more durable than solventborne and waterborne coated metal cabinets. Every piece of sheet metal that gets powder coated goes through a 7-stage wash system making certain the powder paint has a perfect bond. Underneath the tough and beautiful finish you will find galvanized metal that offers superior rust prevention and years of durable service.
Non-Corrosive Waterways
• Polymer Header
The Raypak Millivolt incorporates the latest in header design technology. Raypak's state-of-the-art engineering department utilized the latest in 3-D computer aided design to engineer the part for optimal performance. Polymerresin headers prevent rust stains from harming your pools surfacegiving you years of trouble-free swimming pleasure
• All Copper Fin Tube 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.
• Stainless Steel Tube Sheet
Stainless steel tube sheets are used on all Raypak Millivolt heaters that use the Polymer
resin headers. This allows for a completely nonferrous waterway leaving your pool truly rust-free.
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