Raypak B-R406A-EN-C #50 Digital ASME Natural Gas Heater, 399K BTU, Copper Exchanger, 268 lbs, 2” Bronze Headers, ProTek Shield Module | 017374 Features and Benefits: Part Number: 009271 Model Number: B-R406A-EN-C Digital LCD for temperature control and heater settings 2" glass-lined Cast Iron headers Microprocessor controls diagnostic readout and continuously monitors operational status Product Description: Raypak Heater Model RP2100 Asme CR405EN Electronic Nat Features and Benefits High-wind resistance Corrosion-resistant headers PVC plumbing directly to the heater Small footprint Unitherm governor prevents condensation Completely field serviceable Non-stop performance Header Material Bronze BTUs 400,000 Exchanger Material Copper Gas Type Natural Pool Type In-Ground Commercial or Residential Commercial BTU 300 < 350 UPC 840891041566 Product Attachments: Product Warranty Product Manual & Installation Guide Product Brochure