This is our top-of-the-line system featuring the ignition ease with use of a wall switch or handheld remote to control flame as well as auto-relight if flame loss. This is our most advanced control system with numerous convenience and performance improvements for both On/Off Models and our newly introduced High/Low Models- such as High/Low flame control via our new remote or smart phone app, a redesigned hot surface igniter and many other improvements. Features: BTUs: 75k. Fuel Type: Natural Gas. Factory built & tested for fuel. Internal temperature monitoring with overheat auto shutoff. Ignition is complete using a robust and reliable Hot Surface igniter. Typically used pool side or with other lower voltage requirements. Start via wall switch, remote or whole house system; Auto re-light if flame is lost. Fully Assembled- ready to install. Control components are protected within stainless steel valve box. Optional Controls: On/Off Remote, Timers, Power Supplies and an Emergency Shutoff (Not Included, Sold Separately). CSA Certified in US & Canada to ANSI Z21.97-2014 / CSA 2.41-2014 requirements (This new EI system already meets upcoming 2018 ANSI requirements). Specifications: Burner Size: 36". Overall Dimensions: 37" (L) x 8" (W).