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Raypak 010229 Digital Cast Iron Low NOx ASME Cupro-Nickel Natural Gas 333,000 BTU Pool Heater

SKU #: 010229

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Short Description

Raypak Digital ASME Low NOx Cupro-Nickel 333,000 BTU Natural Gas Commercial Pool Heater, 0-5,000' Elevation, C-R337A-EN-X #26, 010229

Pool Heater Features:

  • Digital LCD for temperature control and heater settings
  • 2" glass-lined Cast Iron headers
  • Microprocessor controls diagnostic readout and continuously monitors operational status
  • High-wind reliability
  • 125# pressure relief valve
  • ANSI Z21.56 design certified
  • Model Number: C-R337A-EN-X #26
  • 0-5,000' Elevation


ASME rated heaters are intended for use when local codes mandate the use of ASME-certified equipment in commercial installations, such as apartment, condominium and public pools and spas. NOx jointly refers to nitric oxide (NO) and nitrogen dioxide (NO2), two oxides of nitrogen that most affect pollution. Low NOx heaters produce less harmful emissions than regular heaters and are ideal for any eco-friendly application. Cupro-Nickel refers to the fin tube heat exchanger. Cupro-Nickel heat exchangers are preferred for commercial applications because they resist the corrosion associated with bad and fluctuating water chemistry. The Raypak commercial digital heater is factory equipped with ASME waterways for commercial use and comes with a microprocessor based thermostat control. This allows the user to set the pool or spa temperature at a precise temperature using the up or down button. The digital display provides a constant reading of the pool's water temperature.


Cast Iron Glass-lined Header

Controlled Thermostat

The Raypak Digital Low NOx gas heater comes with a microprocessor based thermostat control. This control allows you to set your pool or spa temperature precisely at your favorite setting just by pressing an up or down temperature control button. The digital display gives you a constant read out of your swimming pool water temperature.
Self Diagnostic

Self Diagnostic

Troubleshooting a gas heater has never been easier. The Raypak Digital Low NOx has on-board diagnostic controls that let the user and the service professional know what is going on with the heater at all times. In the event that you would ever have a problem with the heater, the digital display will show where the problem is in the control circuit. It's like having a service technician built into every heater.
Remote Compatible

Remote Compatible

The Raypak Digital Low NOx is compatible with most major swimming pool control and remote systems on the market today. Any two-wire or three-wire remote can connect to the heater and be integrated into the swimming pool control system of your choice.
Cupro-Nickel Fin Tube Heat Exchanger

Cupro-Nickel Heat Exchanger

Raypak Digital heaters can be ordered with cupro-nickel fin tube heat exchangers for added protection against aggressive water chemistry. Although rare, there are certain applications, like health club spas, where copper are just not the best choice. Cupro-nickel offers superior tolerance to bad and fluctuating water chemistry, thanks to a harder surface and thicker walled fin tube.