Bradford White Water Heaters Brute FT floor standing boilers feature a stainless steel fire-tube heat exchanger and multiple venting options, low-pressure drop design with a sealed combustion chamber and pre-mix ceramic fiber burner. Modulating gas valves allow up to 10:1 turndown and ensure top performance and efficiency. The low NOx system exceeds the most stringent regulations for air quality. Noise-reduction features include onboard, three-speed pump to fine tune flow velocity.