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Domestic hot water and heating series: gas hot water boiler, vacuum hot water boiler, vertical atmospheric pressure hot water boiler, electric hot water boiler Factory use, high temperature steam: wns fuel gas steam boiler, szs water tube steam boiler, vertical steam boiler, electric steam boiler

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FANGKUAI is founded in 1998, which is a clean fuel boiler enterprise integrating R&D, manufacturing, sales and service. In the past 20 years of development and innovation, the company has grown into a global enterprise, and its products have been exported to more than 80 countries including Russia, Mongolia and Thailand, and have established long-lasting cooperative relations with local enterprises!

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Gas Technology Condensing Hydronic Boilers — R F

  • Offshore price : $20000-$100000 Get a quote on the right form
  • Minimum order quantity : 1 set :Gas Technology Condensing Hydronic Boilers — R F
  • Supply Capacity : 10 units/month :Gas Technology Condensing Hydronic Boilers — R F
  • Manufacturer/Brand : Fangkuai boiler
  • Port : Anyang
  • payment terms : Letter of Credit, Wire Transfer, VISA

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Popular products


θrion Gas Fired Steam Boiler


Rated thermal efficiency: 100-104%

Fixed working pressure: ≤1.6MPa

Applicable fuel:natural gas etc.


Gas(oil) Fired Integrated Hot Water Boiler


Rated thermal efficiency:96-98%

Fixed working pressure:≤1.25MPa

Applicable fuel:Natural gas, light oil, etc.


H6 Gas Fired Hot Water Boiler


Rated thermal efficiency: 97.2-106%

Fixed working pressure:0.1MPa

Applicable fuel:Natural gas, etc.


T7 Vacuum Hot Water Boilerr


Rated thermal efficiency:≥105.5%

Fixed working pressure:-0.02MPa

Applicable fuel:Natural gas, etc.


V6 Gas Fired Hot Water Boiler


Rated thermal efficiency:97.2-104.4%

Fixed working pressure:1.0MPa

Applicable fuel:Natural gas, etc.


Electric Steam Boiler

Capacity:0.5-4.0 t/h

Rated thermal efficiency:98%

Fixed working pressure:≤1.25MPa

Applicable fuel:electric energy


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  • Fulton PulseHW Gas Pulse Combustion Hydronic Heating …

    Rating the Boiler 34. To Check for High Gas Pressure 35. For High Gas Pressure Installations 36. Before Leaving the Installation Section 3 – Operation 1. Before Operating Your Boiler 2. Starting the Boiler 3. If the Boiler doesn't start 4. Sequence of Operation 5. Sequence of Operation for Modulated Pulse Hydronic Boilers 6.Get Price

  • White Papers - Boilers — R.F. MacDonald Co.

    What is a gas condensing boiler? | ViessmannGet Price

  • Condensing Hydronic Boilers

    Fulton Pulse combustion boilers have been the leader in condensing technology for over 20 years. The acoustically engineered design behind Pulse combustion is unique and provides a number of advantages over traditional power burner configurations. Pulse combustion is accomplished using a gas and an air metering valve. When aGet Price

  • 2000Kw Oil Boiler For Hydronic Heating

    Oil/gas boilers for medium and high output - Viessmann. solutions for economical hot water generation. from page 40 Oil/gas condensing boilers. Vitoradial 300-T. 1 Boiler and heating circuit control unit. 2 Third hot in sections. Proven Viessmann quality up to 2000 kW for oil and gas and high. Get A QuoteGet Price

  • Condensing Hydronic Boilers

    Fulton Pulse combustion boilers have been the leader in condensing technology for over 20 years. The acoustically engineered design behind Pulse combustion is unique and provides a number of advantages over traditional power burner configurations. Pulse combustion is accomplished using a gas and an air metering valve. When aGet Price

  • Environmental assessment of domestic boilers: A comparison

    Jan 20, 2017 · The overall gas required by the two combi boilers analysed (with traditional and condensing technology) is the sum of domestic heating and hot water consumption. The energy performance of domestic heating depends on the characteristics of the …Get Price


    flue gas Boiler Constant 180oF load 80oF ANSI Z21.13 / CSA 4.9-2000 Heat exchanger Condensate measured for condensing boilers test ∆T=100°F COMBUSTION EFFICIENCY Testing for non-condensing gas commercial boilersGet Price

  • Condensing Gas Boilers - TJs Radiant Heat & Plumbing

    With today's hydronic condensing boilers, the rules have changed. New premix burner technology has led to the development of burners that provide a proportionate air:fuel ratio across the entire firing range and provides a reasonable turndown. This allows for no loss in combustion efficiency and contributes to an inverse efficiency Get Price

  • Boiler vs. Tankless Water Heater Comparison of January 2022

    5) Westinghouse Condensing Heating Wall Mount Boiler. Having a good-looking boiler is only one of the benefits of purchasing this boiler. This gas condensing boiler offers hot water throughout the house working at 140,000 BTUs. Also, there's a storage tank included for additional domestic hot water if needed.Get Price

  • Technology Upgrades Are Changing Modern Boiler, Hydronic

    Apr 05, 2020 · "Older hot water heating systems were set to operate at 180°F, but in today's modern condensing boiler, they can operate at just 140°F," he said. "Even circulators have advanced. While older units only turned on and off as the heating system required, new circulator pumps have multiple speeds.Get Price

  • Fully Condensing Hydronic Boiler | Engineering360

    Jul 19, 2017 · Cleaver-Brooks ClearFire®-CE (CFC-E) fully condensing hydronic boiler is a fully assembled, high-mass firetube condensing boiler with a large-water-volume pressure vessel. The boiler achieves a low-pressure drop, reducing pumping energy with no minimum flow requirements due to the high mass design.Get Price

  • Consulting - Specifying Engineer | Introduction to boilers

    Sep 23, 2019 · A hydronic boiler can be either a condensing or noncondensing boiler. Both types of boiler s can be either a fire – or a water-tube boiler. When selecting a fire-tube boiler, it can be categorized either as a wetback or a dryback boiler. Since we will use the term Btu /hour frequently throughout this article, a definition is in order.Get Price

  • R&S Heaitng & Cooling On Laars Commercial Boiler Repair In

    The NeoTherm high efficiency hydronic boiler uses the latest in condensing heat exchanger technology. It operates with 95%+ efficiency, has low NOx (less than 10 ppm) emissions and the Energy Star rating; making it an excellent choice for both the environment and the homeowner.NeoTherm High Efficiency are Available inGet Price

  • gas condensing combined heat and hot water commercially

    the boilers with integrated OTr and boiler rotation. 9 9% THERMAL E FICIENC Y 1. Hybrid Energy Recovery (Energy Kinetics' thermal purge technology) –Other condensing boil-er shu to f w ingyl a d the boiler. But Accel CS Hybrid Energy R ecov ry au t m il s nd - ing heat to the top of the hot water storage tank, or directly into your con Get Price

  • Why your new gas boiler isn't efficient.

    Mar 19, 2020 · Having fitted my first condensing gas boiler in 2003, I look at why your new gas boiler isn't efficient. During the combustion process, gas is mixed with oxygen and burnt to produce heat, carbon dioxide and water (in the form of steam). Unlike older boilers, a 2020 condensing boiler is capable of recovering at least 93% of the energy from the Get Price

  • Condensing oil boiler — Heating Help: The Wall

    Condenisng Oil Boiler. Hi, I've been reading your site in the UK. Here its law to use condensing units so 93-97% is expected now. Most gas units also should be modulating the flame according to the return water temp as a fuel efficiency measure. Oil is a lot harder to modulate in response to varaible heat load.Get Price


    Condensing technology is also suitable for use in renova - tion and energy modernisation of buildings. Old conven-tional boilers are replaced by gas condensing boilers. In modernisation projects, the system has to be hydrauli-cally balanced, and optimal temperatures have to be achieved in the hydraulic system. And this is not the onlyGet Price

  • 10 Best Boilers of 2020 | Gas, Propane, Oil, Electric

    May 06, 2020 · The Slant/Fin Sentry boiler is a gas hot water boiler with an efficiency of 84.4% AFUE. The Sentry comes with several noteworthy features such a pre-purge option to conserve heat, a LED display which monitors system water temperature and allows the user to control the temperature as well, and a specially-designed insulated jacket to prevent heat loss and reduce …Get Price

  • Boilers | Energy Control Steam and Hot Water Boiler Systems

    Whether stand-alone or utilized a condensing/non-condensing hybrid multi-unit solution the model FLX boilers can share the load to increase efficiency in a hydronic or steam process. The FLX is designed to handle to minimize thermal stress and provide quick response in a compact unit – field erectable units are also an option.Get Price

  • Boilers - Gas | F.W. Webb Online Ordering

    Condensing Boiler Combination Wall Hung Natural Gas or Propane Direct-Vent 150000/80000 BTU. $2,328.81 / ea. Qty. Add to Cart. Account required to order. Compare. Bosch KBR283. Condensing Boiler Greenstar 100 Floor Standing Gas 100800 BTU 95% AFUE Electronic.Get Price

  • Sime Condensing Wall Hung Combination Propane Fired Boiler

    The Sime Murelle EV HE 30 Gas Boiler is a High Efficient Condensing Boiler that also provides domestic hot water. The Murelle Condensing Boiler offers two heating circut temperatures. So, for example, you can have one for hydronic baseboards at 176 Degrees and another circut at 100 Degrees for PEX radiant heating.Get Price

  • How High Efficiency Condensing Gas Boilers Work

    Hence, the name condensing gas boiler. The other facet contributing to the high efficiency of condensing gas boilers is the combustion air fan can fully modulate its speed as compared to a single stage, full on or off, device found on typical mid-efficiency boilers.Get Price

  • Development of a Loss Method for Energy and Exergy Audit

    Jan 18, 2021 · In this article, a loss method is proposed to estimate the energy and exergy efficiencies of condensing hot water boilers. The presented method is based on the development of the method presented in ASME PTC 4.1. Energy loss terms consist of exhaust flue gas, carbon monoxide formation, radiation, and condensate outflow sensible heat.Get Price

  • Effects of Ultra-High Turndown in Hydronics — R.F

    Technology Upgrades Are Changing Modern Boiler, Hydronic Systems | 2020 …Get Price

  • AM Series - AERCO

    The AM boilers feature an advanced high efficiency, condensing hydronic technology that delivers installation and operational savings for systems operating from 399,000 to 1 million BTU/hr. For applications greater thanGet Price

  • Performance Rating of Commercial Space Heating Boilers

    The certification program includes all gas- and oil-fired steam and hot water Heating Boilers with inputs ranging from 300,000 Btu/h to 2,500,000 Btu/h. Models within a model series, or individual boiler models, having inputs over 2,500,000 Btu/h may be included in the program at the Participant's option. Certified RatingsGet Price

  • Emerging Technology Program - Nicor Gas Rebates

    In a condensing boiler, heat existing in the flue gasses can be captured and 'recycled' back into the heating system and used to preheat the cold water entering the boiler. During this process, the temperature of the flue gas is rapidly reduced from around 130℃ to 50℃. This fall in temperature causes condensation, from which the name is derived.Get Price

  • Bosch Hydronic Heating - Overview

    Quality Comes From Experience – Over 1.5 Million Boilers Produced Every Year. As the inventors of energy-saving condensing technology, Bosch have a history of innovation and success in hydronic heating. Our boilers have been used for over 100 years throughout the world and provide superior quality and durability.Get Price

  • Best Gas Boilers for Home Heating and Endless Water Supply

    Jan 14, 2022 · When this gas is burned in the gas boiler's combustion chamber, it warms your water to about 158°F (70°C). Now, armed with a good idea of how a gas boiler works and why it's important let's look at some of the best gas boilers in the market. 1. Rinnai V65iN-Natural Gas.Get Price

  • Gas Technology: Condensing Hydronic Boilers — R.F

    The condensing boiler extracts latent heat, in addition to sensible heat, from combustion exhaust. For new natural gas‐fired units, the efficiency difference is typically about 10% higher. This presumes that the return water is low enough in temperature to permit a high level of condensation from the combustion exhaust. Efficiencies as High as 97%Get Price

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