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How Much Gas Does a Boiler Use Per Hour? | Viessmann

Learn MoreThat is to say if you have a 20kw boiler, but you only require 10kw of heat for the next hour, rather than outputting 20kw for 5 minutes then resting 5 minutes repeatedly, (how the older non-modulating boilers used to work) the boiler will simply turn down its flame by 50%.

Learn MoreRate of Combustion for Gaseous or Liquid Fuels A scotch marine boiler has a furnace volume of 45.5 cu. ft. if 3825.2 cu. ft. of natural gas is burned per hour and each contains 1100 Btu, what is the rate of combustion? RC = H / (Vf * t) Return Condensate Percentage in Feedwater

Learn MoreMay 13, 2009 · So i was expecting the most of it to be electric as fire & oven is electric and the only thing gas is the central heating. Well the electric was £90 odd & the Gas was £200 odd. I'm wondering if the Burner kicking in evey 10 mins and the radiators not being hot to touch was the problem and if it is what could be the cause.

Learn MoreWhat is boiler modulation and boiler cycling? - HeatGeek

Learn MoreDec 28, 2010 · There is a difference between a 460,000 btu boiler and a 340,000 btu boiler its a 120,000 btus. The bigger boiler will burn an extra 1.2 therms of gas per hour, every hour it runs. Over the life time of that boiler thats a lot of money. My house has 250 sqft of rads for every 1000 sqft.

Learn MoreHow to Calculate Gas Consumption in a Gas Boiler Burner?

Learn MoreA natural gas burner rated at 40,000 BTUs per hour divided by 1,000 BTUs per cubic foot uses approximately 40 cubic feet of natural gas in one hour. Exact Gas Consumption Step 1 Multiply the burner efficiency by the energy content of the gas being used. Natural gas contains 1,075 BTUs per cubic foot; propane contains 2570 BTUs per cubic foot. Step 2

Learn MoreJan 24, 2012 · which is all working fine but i need to work out how much gas the boiler is burning per hour i cant remember the formula for doing it all help is greatly welcome waiting on payment from owner who wants this first . SimonJohns. Gas Engineer. Messages 3,690. Jan 23, 2012 #2

Learn MoreApr 16, 2021 · Assume that the thermal efficiency of the gas boiler is 88%. Then, the hourly gas consumption of a 4 ton gas boiler = 2.8MW*3600s/35.53MJ/Nm3/88%=320m3/h. operates 24 hours a day, consumes natural gas=320*24=7680 cubic meters. Daily operating cost of 4 ton boiler There are differences in natural gas prices in various parts of the country, and the general price range is between

Learn MoreHow to Calculate Gas Consumption in a Gas Boiler Burner?

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