Description
Identification and Platform: The number 017400 is Raypak’s reference for the B-R266A-EN-X #50 model of the Digital series (also known as 266A). It uses natural gas with #50 orifices configured for elevations of 0 to 2,000 feet. The model code breaks down as follows: B = ASME Professional series, R266A = 266,000 BTU chassis, E = electronic ignition, N = natural gas, X = cupronickel exchanger.
Capacity and Certification: 266,000 BTU input capacity heater, ASME certified (American Society of Mechanical Engineers), making it suitable for commercial, municipal, hotel, and community installations where local codes require pressure vessel-certified equipment. ASME certification implies thicker-walled finned tubes and bronze headers to withstand higher working pressures.
Heat Exchanger: It incorporates a finned-tube cupronickel heat exchanger, a material that offers superior corrosion resistance compared to standard copper. Cupronickel is especially suitable for saltwater pools, spas, and applications with aggressive or fluctuating water chemistry. The headers are made of bronze, providing greater strength and durability in continuous-duty applications.
ProTek Shield Protection: It includes the ProTek Shieldâ„¢ module, a replaceable Raypak component that helps protect the heat exchanger against corrosion and galvanic degradation, extending the equipment’s service life.
Digital Control and Ignition: It features a microprocessor-based digital control for precise temperature adjustment with constant water reading, an onboard diagnostic system that displays service codes for easier troubleshooting, and electronic ignition that eliminates the need for a standing pilot. It is compatible with most two-wire and three-wire remote control systems on the market.
Design and Construction: Cabinet made of galvanized steel with a 7-stage Polytuff powder coating, resistant to corrosion and weathering. Low-profile “pagoda top” design that protects against wind, leaves, rain, and debris, allowing outdoor installation without the need for forced ventilation. 2-inch water connections and 3/4″ NPT gas inlet. Approximate weight of 229-235 lbs.
Electrical Specifications: It operates on 120V or 240V single-phase for the digital control function.
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