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Eco-King HEET 199 Tankless Water Heater

1 reviews
97.5% efficient 10:1 turndown 15-yr HX warranty

97.5% efficiency from a unique single-pass stainless steel heat exchanger, with wide passageways for durability and corrosion resistance. One easy control across the whole Eco-King family.

Efficiency 97.5% thermal
Fuel Natural gas, field-convertible to propane
Venting Two vent connections with analyzer test ports · up to 150 ft combined
Outputs 19,900 to 199,000 BTU/h (10:1 turndown)
Pricing
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Overview

Endless hot water.One smart control.

The HEET 199 pairs a 10:1 turndown gas valve with continuous electronic combustion monitoring, so it sips gas at low demand and never misses a shower at full tilt. Its control interface is shared across the entire Eco-King family, so installers learn it once.

✓Internal Grundfos pump for unparalleled temperature stability
✓Built-in water hammer absorber and 150 psi ASME relief valve
✓¾" isolation valve & flush kit included for easy servicing

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.

Specifications

Efficiency 97.5% thermal
Fuel Natural gas, field-convertible to propane
Venting Two vent connections with analyzer test ports · up to 150 ft combined
Outputs 19,900 to 199,000 BTU/h (10:1 turndown)
Certification CSA · ASME 150 psi PRV · NRCan approved
Heat exchanger Single-pass stainless steel, wide passageways
Water connections ¾" NPT · flush kit included
Dimensions (HxWxD) 29 1/8" x 15 3/4" x 15" / 740mm x 400mm x 380mm
Weight 79 lbs / 36 kgs
Complete the system Indirect tank · Wi-Fi module · app monitoring
Documents

Warranty & Manuals

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Main Heat Exchanger 15 years and 2-year parts warranty.

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Excellent Water Heater

My initial experience with the HEET 199 is very positive, just like all the other Eco-King products I have installed and used!

Severin Olson · Surrey · British Columbia