Pentair Max-E-Therm® SR200HD 200 HD Natural Gas Pool & Spa Heater 200K BTU For indoor or outdoor installations on pools and spas. Features include an LCD temperature readout with dual thermostat controls, temperature safety lockout, and a 6-position control panel. PMG burner technology requires no outdoor draft hood. Proven Dura-Glas Resin provides rust-proof construction. Heavy-duty (HD) unit with cupro-nickel exchanger for improved performance in more challenging applications, like low pH, high flow, or heavy use. Now, with smart connectivity and energy-saving automation, it’s easier than ever to get the pool warm and ready whenever needed. New automation functionality and ignition control module with flame strength sensor for always optimized performance. Max-E-Therm Heater is certified for low NOx emission. The multi-position top panel allows the digital display to be re-positioned for convenient operation. A tough, rustproof exterior handles the heat and weathers the elements. Certified for outdoor and indoor installations. Optional Smart Heater Bypass valve control diverts water flow when the heater isn’t needed to help save up to 35% in yearly operational costs.* Specifications: Model: SR200NA 200 - Natural Gas - 200K BTU Brand: Pentair Shipping Dimensions: 27.75 x 34.25 x 32 inch Commercial, Residential, or Professional: Residential Weight: 119 pounds Frequency Rating (Hz): 60 Fuel Type: Natural Gas Phase: Single Product Weight: 138 pounds Standards Approvals: CSA Certified Voltage: 120V, 240V BTU Input: 200,000 British thermal unit Cabinet Depth: 31.69 inch Cabinet Height: 30.03 inch Cabinet Width: 25.15 inch Control Type: Digital Flow Rate Max: 120 gal/min Flow Rate Min: 20 gal/min Green or Energy-Efficient Product: True Product Depth: 30 inch Product Height: 26 inch Product Width: 26 inch Tubing Material: Cupro Nickel UPC Code: 022315306158 Warranty: 2-year warranty with professional installation Optional Accessories: 475002 - 3'' PVC Direct Air Intake Duct Kit 462048 - Valve Bypass Assembly Connector Support Documents: Brochure Install Guide Tech Info