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Eco-King Heet 199 boasts 97.5% efficiency, with a unique single pass stainless-steel heat exchanger. The exchanger has wide passageways for durability, superior water heating and corrosion resistance. The HEET has an easy-to-use control that spans the entire Eco-King product family from residential to commercial. COMBUSTION DESIGN 10:1 turndown ratio with electronically controlled continuous combustion monitoring for clean efficient combustion. All models are natural gas fired and field convertible to propane. VENTING Two vent connector with analyzer test ports. It is rated for combined vent lengths up to 150 ft INCLUDED ITEMS: - Internal Grundfos pump ensures unparalleled temperature stability - An internal water hammer absorber - 150psi ASME rated pressure relief valve - Set of ¾” isolation valve / flush kit for easy servicing in the future.

Eco-King Supreme is the most serviceable residential boiler unit on the market. Being manufactured since 2010 and sold over 25,000 units in various climate markets, King Heating Products started a project in 2023 to revise certain features of our successful Supreme line of Eco-King boilers. A lot of the amazing features that made our Supreme boilers easy to install and the most serviceable unit on the market remain, but some revisions have been made. We feel these revisions will make installation and servicing that much easier for technicians. Our product revisions were engineered in Europe, but our boilers continue to proudly be Made in Canada. These revisions include: - New ¾” NPT tappings - Dedicated supply and return connections to an indirect tank on H model boilers - 4 new easier to diagnose sensors for dhw temperature, CH return temp, pressure and DHW flow Brass hydroblock for extra durability - Brass hydroblock for extra durability - Up to 20% hydrogen fuel compatibility Same control features that have allowed us to be one of the hydronic heating industries leading boilers.

• MORE HOT WATER due to higher internal temperature (75°C) combined with a highly efficient mixing valve which prevents scalding.
• PRO INSULATION with the use of NANOPUR™ ensures minimal heat loss and class leading energy efficiency.
• EVERLAST™ titanium alloyed stainless steel combined with the unique ULTRAWELD™ welding process and state-of-the-art passivation process ensures class-leading corrosion resistance.

Some possible systems Eco-King products can be used in.