Raypak Digital Commercial ASME Natural Gas Pool Heaters - Cupro Nickle Tubing
Both water temperature and flow rate inside the heater are controlled to help eliminate condensation, sooting and scale buildup that can shorten the life of a heater. Raypak engineered the Unitherm Governor Specifically for pool heater application, regulating low-temperature incoming water to help reduce condensation. For over 30 years, Raypak has led the industry, setting the standard for condensation protection.
The Raypak Digital, with polymer headers, is equipped with an integral copper finned-tube heat exchanger and stainless steel tube sheets. This unique construction guarantees rust-free operation, especially important when heating spas and smaller pools. Even the smallest details such as the studs and nuts are made out of stainless steel. The Payoff? A heater that will last year after year and can easily be serviced if the need should ever arise.
Stainless Steel Burners
Burner design is a critical component in any gas heater. The stainless steel burner system used in the Raypak Digital is inherently forgiving and extremely robust. The burner is self-adjusting to compensate for gas pressure fluctuations, allowing the heater to always burn clean and safe.
Not all low NOx heaters are made the same. The Raypak Low NOx design uses a fan to provide cool, controlled combustion air to the burners. Other brands use a fan to pull hot flue gases through the heater. The Raypak design allows the heater to outperform all others during cold starts and provide longer component life.
The Raypak Digital use a spark-to-pilot ignition system. This is the most reliable and robust ignition system available, an industry-proven standard for over 20 years.
"I'm sold on the Raypak Digital! Now which model do I get?!"
The Difference is the Heat Exchangers.
Copper Fin Tube - (Standard Residential)
For most residential applications the standard option of copper fin tube is the best choice. The Raypak Digital is built with the highest quality integral copper fin tube available. Copper is well known for it's ability to efficiently transfer heat, and is an excellent choice for pool and spa heater exchangers, where the water chemistry is properly maintained.
Cupro-Nickel Fin Tube - (Optional)
Raypak heaters are available with an optional cupro-nickel fin tube heat exchanger for added protection against aggressive water chemistry, which has been known to attack copper heat exchangers and cause premature failure. Cupro-nickel offers superior tolerance to bad water chemistry and increases erosion protection, thanks to a harder surface and wall that is approximately 50% thicker than our standard copper fin tube. When you're unsure of your ability to maintain the pool or spa water chemistry, a cupro-nickel heat exchanger is a cost-effective way to protect against premature failure.
ASME Copper Fin tube - (Optional - Commercial)
ASME stands for American Society of Mechanical Engineers, a non-profit group which sets many industrial and manufacturing standards. A pool heater that is made to ASME standard must perform to a set of specifications as determined by ASME, specifically in relation to the operating water pressure the application can handle. Each and every ASME heat exchanger that goes into Raypak heater is certified by a state inspector to make sure it complies with ASME codes for pool heaters. Why ASME? Most local codes require that public pools, pools that are in condominiums, apartments, or other commercial applications, be ASME certified.
The Raypak Digital ASME gas heater is equipped with .062" wall integral copper finned tubes. This tubing is approximately 50% larger in wall thickness than standard tubing, providing additional resistance to wear from chemical corrosion. Raypak also has an ASME version which incorporates a Cupro-Nickel heat exchanger for pool applications subject to more aggressive chemical treatment, such as you would find in a health club spa. Raypak has inspectors on-site daily performing certifications for our pool heater and commercial boiler production that may require ASME.
Glass-Lined Cast Iron Headers
In ASME-rated Pool Heaters the standard polymer headers are replaced with glass-lined cast iron headers. A metal header design allows for the higher working pressures required by ASME. Only after the material meets the stress analysis and metal composition tests is it approved for use in an ASME unit.
Raypak Digital Swimming Pool Heater Dimensions
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