HUG Hydronics
FULL KIT 199K-NG TANKLESS WATER HEATER INDOOR 199,000 BTU NATURAL GAS
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State Water Heaters Model # GTS-540-NIH
This includes fittings when this is purchased with a HUG Hydronics tank
Works seamlessly with our HUG Hydronics in-floor heating system.
The 540 Series offers high efficiency Ultra-Low NOx condensing technology allowing for the use of 3” PVC venting and has 0” clearance to combustibles. Remote control included as a standard feature. Indoor models are certified up to 10,100 ft. altitude. Provides a variety of installation options: indoor, outdoor and direct vent. Complies with Ultra-Low NOx regulations and meets the energy efficiency requirements of ASHRAE 90.1b-1992.
The GTS-540-NIH tankless water heater uses up to 199,000 BTU/h of natural gas to deliver a max flow rate of 10 GPM. It utilizes condensing technology to achieve a Uniform Energy Factor of 0.90, and is ENERGY STAR qualified. This model meets Low NOx emission requirements, and comes with a 15-year limited factory warranty.
Comes with 2 fittings for 3/4" heater hose.
![Indoor tankless on demand natural gas water heater 199,000 BTUs, to use with the HUG Hydronics in- floor heating system](http://hughydronics.com/cdn/shop/files/State540Screenshot2021-08-27100048_1445x.png?v=1713885643)
![HUG Hydronics in floor heating system instructions for installing a gas on demand tankless water heater. 1. Mount the water heater 1 to 2 feet above the tank, ideally. Refer to the install manual for installation details. 3. Connect the 2 brass fittings provided with the heater. 4. Connect the heater hoses from the HUG Hydronics tank to the heater using the clamps provided. 5. For dedicated on- demand gas heaters an overflow connection may be required on the tank to demonstrate open system conditions](http://hughydronics.com/cdn/shop/files/Screenshot2021-10-151.51.21PM_ec3246ef-7ec4-49dd-8e96-3b2e4a2a8194_1445x.png?v=1713885643)