No Matter what your criteria for top performance and value, MasterTemp ASME HD heaters meet them all! These heaters are fast, efficient, compact, quiet, safe, eco-friendly, and heavy duty! Perfect for any property, they are easy to install, operate, and service. The MasterTemp ASME HD starts with a very compact design so you can place it on smaller equipment pads and fit it into tight spaces. On the outside, a tough, rust-proof composite exterior handles the heat and weathers the elements. An easy-to-view rotating digital display places controls front and center no matter which way you install it and an electronic ignition eliminates the hassle of lighting a pilot light. On the inside, each heater is fitted with a Heavy Duty cupro nickle heat exchanger with the thickest walls in the industry. Thick enough to withstand high flow rates, pH swings, and salt water corrosion! Safety features like a water pressure sensor and high limit are meticulously engineered and professionally installed to protect your investment while a fully pre-mixed air and gas system means faster heat-up and more efficient combustion so there is no waiting around to use the pool or spa. It has a high efficiency rating and it’s certified for low NOx emissions. MasterTemp HD ASME heaters are engineered for super quiet operation, loaded with ASME rated components, and eco-friendly! MasterTemp ASME heaters include a pressure relief valve and are available in 200K BTU, 250K BTU, and 400K BTU models.
NOTE: These heaters are ASME certified for commercial use. Please refer to your building code for heater requirements.