Boilers and Hydronics

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Thirty-six different rack models are available, all specifically designed for the commercial Energy Star^®-certified NCC199 (GQ-C3257WZ US) Condensing Tankless Water Heater Series. 

And to think, you almost unleashed them on your gorgeous, newly installed hydronic system. Talk about creating your own risk of callbacks. 

This radiant thermostat can operate a hydronic radiant heating system based on the air sensor measuring operative temperature, a floor sensor (purchased separately), or a combination of both to provide the optimal level of comfort and control. 

Industry figures are estimates that are derived from the best available figures supplied by a sample of AHRI member companies. 

The natural gas or LP-fired unit offers a 0.96 EF (energy factor) stainless steel heat exchanger and full 10:1 modulation.

Crude oil, from which heating oil is refined, is set to average $34.60 per barrel in 2016, representing a steep drop from the $93.17-per-barrel average of 2014.

This system demonstrates how modern hydronics technology can be used to harmonize the operation of two high-efficiency heat sources — one renewable and the other conventional.

Anyone can buy a bunch of high-quality components, stick them together, keep the water on the inside, and call it a hydronic heating system. It’s not that difficult. The real skill of an exceptional professional lies in understanding what these different components do and then picking the ones that will work together best for each individual system.

These 150- to 1,000-gallon electric water heaters are available in 12-162 kW configurations and feature 150-psi ASME code glass lining, ASME temperature and pressure reducing valves (PRV), internal fusing (above 120A), and magnesium anode rods. 

Industry shipment numbers are estimates that are derived from the best available figures supplied by a sample of AHRI member companies.