Raypak P-R406A-EN-C #50 Digital Natural Gas Heater, 399K BTU, Electronic Ignition, Polymer Headers, Copper Exchanger, 260 lbs | 009219 Key Benefits Protek Shield™ moduleLCD digital display provides accurate temperatureMonitors operational status as well as service diagnosticsHigh-wind resistanceCorrosion-resistant headersUnitherm governor prevents condensation Product Description The sleek and stylish raypak digital gas pool and spa heater features innovative technology designed to keep your pool or spa at the perfect temperature for your enjoyment. Built to withstand various weather conditions, this modern pool and spa heater is the perfect solution for environments requiring efficiency, convenience and versatility.thanks to a brilliant low-profile design, corrosion resistant cabinet made of galvanized metal, copper fin tube heat exchanger, and a bevy of advanced-engineered materials, enjoying your heater year round is a breeze. Header Material Polymer BTUs 400,000 Exchanger Material Copper Gas Type Natural Pool Type In-Ground Commercial or Residential Residential BTU 300 < 399 UPC 840891012788 Product Documentation: Product Warranty Product Manual & Installation Guide: Product Brochure