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steam boiler Archives boilersinfo

steam boiler Archives boilersinfo
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Oversized boiler - efficiency issues? | DIYnot Forums

Mar 28, 2017 · Boiler puts 6 kW into heating 1300 litres of water by about 4-5 degrees. Even though the return is 10 degrees cooler, this is mixed with half of the flow resulting in a return of only 4 to 5 degrees below flow. I've read somewhere the bypass opening means the efficiency of the boilers drops (like a rock, I think was the exact frase used).

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Any Combi boiler experts? | DIY Home Improvement Forum

How Efficient is Your Boiler? A Boiler Efficiency Guide

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Boiler Efficiency: Introduction and Methods of Calculation

Boiler efficiency does not remain fixed and large variations from ideal values take place during the course of operation. Shifting to real time efficiency monitoring can improve the boiler efficiency significantly depending upon the boiler type and actual conditions at site. In nutshell, monitoring and maintaining the boiler efficiency for the

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Forum: Pro's Forum: Hydronics/Boilers

Forum: Pro's Forum: Hydronics/Boilers. We've added a new forum for all of you rusty wetheads out there. This is the perfect place to discuss Hydronics and Boilers. There have been no posts in the last 30 days in this forum. Try using the controls below to …

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Boiler Efficiency and Combustion | Spirax Sarco

Boiler Efficiency and Combustion. A broad overview of the combustion process, including burner types and controls, and heat output and losses. This Module is intended to give a very broad overview of the combustion process, which is an essential component of overall boiler efficiency. Readers requiring a more in-depth knowledge are directed

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combi boiler - efficiency and cost | Page 2 | DIY Forums

Jan 04, 2005 · If the Worcester Heatslave is the machine I'm thinking of it does indeed have a CH + HW programmer, and it is a combi. Now I've checked a little further, I'm sure it is. It's the programmable deluxe model, circa 1982! Some combis come on from time to time to keep the water in the heat

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Opinions on old boiler - Page 1 - Homes, Gardens and DIY

Sep 03, 2012 · 195 months. [report] [news] Sunday 2nd September 2012. At a guess the current efficiency is about 80% and a new one would be in the 90's. However higher efficiency comes at a cost as the aluminium

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How Efficient is Your Boiler? A Boiler Efficiency Guide

Jul 19, 2021 · Boiler efficiency is measured in percentages. If your boiler is described as "90% efficient", it means that around 90% of the boiler's energy goes to heating your home. The other 10% is lost as heat, or used to power the boiler itself. Age can be a rough indicator of your boiler's efficiency. While modern condensing boilers have to be A

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How Efficient is a Condensing Boiler? (2022) | GreenMatch

Sep 09, 2021 · Condensing Boilers Can Ensure a 90% Efficiency Rate. Not only is the condensing boiler a good option if you are concerned about your carbon footprint but condensing boiler manufacturers also claim that the efficiency rate of their products can reach up to 98%. Generally, conventional boilers can only reach 70-80% efficiency.

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Boiler efficiency and wood use | Hearth.com Forums Home

Jan 22, 2013 · Boiler efficiency and wood use. Active since 1995, Hearth.com is THE place on the internet for free information and advice about wood stoves, pellet stoves and other energy saving equipment. We strive to provide opinions, articles, discussions and history related to Hearth Products and in a more general sense, energy issues.

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Efficiency / DIY / cost-saving projects. | Overclockers UK

Jun 25, 2020 · Optimised boiler temperature to ensure return temp is as low as possible for condensing efficiency. Installed fans in the two downstairs radiator boxes to aid the rooms heating up (and therefore reduce return temp). Checked and fitted backflow valve to kitchen extractor fan. Checked and blocked any gaps in the windows / doors for drafts.

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Is high efficiency boiler worth extra $4,000? | Terry Love

Jan 29, 2014 · He is deciding between standard 85% efficiency boiler vs. the 95% high efficiency. Upcharge is about $4,000. Doing radiant in some of the house and then whole house is hydrocoil. Contract calls for 2 boilers, 180,000 BTUs each. That's the 85% ones. The 95% would be a weil-mclain ultra 3, 95% efficiency, one boiler (assuming the same 360,000 BTUs).

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Should I upgrade to a more energy efficient boiler

Jan 17, 2022 · I'd assume the old boiler is about 60% efficient. A new condensing boiler can return efficiencies in the region of 90% but only if the rest of the heating system is properly balanced. Expect to need thermostic radiator valves, if you haven't already got them, at the least. 0. 17 January at 3:18PM. coffeehound Forumite.

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Boiler size | DIY Home Improvement Forum

Jul 08, 2009 · All boiler manufactures have the output listed at the given efficiency. The 50% efficiency boiler will give you the same amount of output if it is rated the same it just takes more fuel to get there. A 95% product will give you the 50,000 btu's at less fuel input. The other thing we need to realize with boilers is the efficiency is never the same.

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Measure boiler efficiency | Screwfix Community Forum

Aug 28, 2021 · A condensing boiler will increase the boiler efficiency from 75% to over 90. Is your system wired correctly. Incorrectly wired or faulty zone valves could keep the boiler running and increase gas usage. Also your boiler is about 14kw maximum. This depends on the burner pressure setting though.

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Disappointing efficiency of alpine condensing boiler

Feb 06, 2013 · Boiler Forum: High efficiency boiler recommendations: Nov 14, 2018: Boiler Forum: Burnham Alpine 150 ModCon likely oversized and not working at highest efficiency: Jan 8, 2018: Boiler Forum: Westinghouse 80k BTUh boiler setup for best efficiency: Nov 19, 2016: Boiler Forum: Efficiency of Modulating Boilers: Mar 23, 2013: Boiler Forum: Boiler

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Boiler efficiency | DIY Forums

Dec 15, 2012 · I've been pondering the above topic in regards to my circa 20 y/o Camray oil burner. I assume boiler efficiency is calculated as calorific value of fuel burned versus how much of that actually ends up as hot water. Googling suggests my boiler is probably only at about the 70% mark. But is that

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7 Best Electric Boilers For Home Heating [2021 Updated]

DIY Outdoor Wood Boiler (wood burning stoves forum at permies)

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DIY Outdoor Wood Boiler | Survivalist Forum

Oct 12, 2014 · Most of the boiler body sits around 190. Instead of insulating the outside, I plan to use that heat to preheat the combustion air. From there, I will probably insulate the heat reclaimer. I've measured the inside of the boiler at 1246 *F and rising, preheating combustion air should bring that up even higher.

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Should I upgrade to a more energy efficient boiler

Jan 17, 2022 · I'd assume the old boiler is about 60% efficient. A new condensing boiler can return efficiencies in the region of 90% but only if the rest of the heating system is properly balanced. Expect to need thermostic radiator valves, if you haven't already got them, at the least. 0. 17 January at 3:18PM. coffeehound Forumite.

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Make old gas boiler more efficient | Terry Love Plumbing

Apr 14, 2014 · The efficiency of new boilers is measured by the Annual Fuel Utilization Efficiency (AFUE). This is a measure of overall performance. The federal minimum-efficiency standards for boilers took effect in 1992, requiring that new boiler units have an AFUE of at least 80%.

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15 Ways to Increase Boiler Efficiency in Your Facility

Jul 08, 2021 · 1. Increase Boiler Efficiency: Lower the Stack Temperature. Lowering stack temperatures may be as simple as a day/night set back. This lowers the operating pressure for steam boilers and the operating temperature for hydronic boilers …

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Boiler Efficiency and Understanding Load/Run Times

Nov 02, 2020 · Boiler Efficiency and Understanding Load/Run Times. - Weil Mclain WTGO-4 w/ tankless coil for DHW. - Four Zones: (1) Hydroair. Heats all of upstairs but has several vents into downstairs rooms (2) 50ft or so of baseboard convectors - covers rooms downstairs - this is supplemented by zone 1 (3) two kickspace convectors ~10k BTU each, added after

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Should I upgrade to a more energy efficient boiler

Jan 17, 2022 · I'd assume the old boiler is about 60% efficient. A new condensing boiler can return efficiencies in the region of 90% but only if the rest of the heating system is properly balanced. Expect to need thermostic radiator valves, if you haven't already got them, at the least. 0. 17 January at 3:18PM. coffeehound Forumite.

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Trinity NTI hi-efficiency boiler : reliability?

Sep 01, 2009 · Hi I am considering converting from an oil boiler to a hi-efficiency gas boiler that can be side vented. Are these boilers reliable in the long run? Since I have an old 1800 sq. ft. centre-town house in the Ottawa area (Ontario) that uses cast iron radiator system (130 °F), my second question is how common is the Trinity boiler in older cast-iron heated homes.

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DIY Boiler Installation | Page 3 | Screwfix Community Forum

Feb 08, 2016 · A DIYer installs his own boiler and, following your advice above, does not get the work checked by a GSR. A few years later he decided to sell his house. A prospective buyer's solicitor asks for the paperwork showing that the boiler installation has been properly registered.

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Flow temperature for a combi boiler — MoneySavingExpert Forum

Dec 16, 2021 · 15 December 2021 at 10:26PM. For a condensing boiler, low is better. The return temperature to the boiler (which you can't control directly) should be below about 55C, or the condensing doesn't happen. Without the condensing, it's no better than an old-fashioned boiler. If it sticks, force it.

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Utica MGB75HD Boiler | DIY Home Improvement Forum

Aug 22, 2008 · They have quoted a mid efficiency, 75,000btu cast iron, gas fired hot water boiler. Utica has been around a long time, use parts that are readily available and affordable, and last a long time. 84% efficiency is not unusual, and is accomplished by using a vent damper, which in my experience is the most vulnerable part on it.

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combi boiler - efficiency and cost | Page 2 | DIY Forums

Jan 04, 2005 · If the Worcester Heatslave is the machine I'm thinking of it does indeed have a CH + HW programmer, and it is a combi. Now I've checked a little further, I'm sure it is. It's the programmable deluxe model, circa 1982! Some combis come on from time to time to keep the water in the heat

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Zenex boiler efficiency | DIY Forums

Jun 02, 2010 · Feb 7, 2010. #1. In today's Sunday Times there is an item about a company called Zenex. Zenex has built a pre-heater for the cold water feed into combi. boilers which is. designed to extract the last "bits" of energy from the exhaust and. dump it into the cold feed to the HW feed.

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Conventional Boiler VS. Combi Hi Efficiency boiler

SO, my 2 options are to install with a weil mclain cg4 A conventional boiler, put a liner on the chimney, and replumb the gas flue vents of the boiler, and the 1 yr old hot water40gal/40k btu tank into a Y that will go into the side of the chimney/inside of course to pass inspection. The 2nd option is to install with a Lochinvar noble 150k

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How Efficient is Your Boiler? A Boiler Efficiency Guide

How Efficient is Your Boiler? A Boiler Efficiency Guide

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Boilers - DoItYourself.com Community Forums

Feb 09, 2012 · 6. >. Last ». Threads in Forum: Boilers - Home Heating Steam and Hot Water Systems. Forum Tools Search this Forum. Views: 4,247 Announcement: Take the DIY Community Survey Today! Liming IBtyen. Views: 962,290 Announcement: Moderator Positions Available For Qualified Professionals. Liming Sharp Advice.

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navien outdoor temp sensor | DIY Home Improvement Forum

May 23, 2015 · The boiler uses the temperature sensor to set the aquastat target temperature. Colder outside, higher boiler target temp. Without the outdoor sensor, the boiler will default to the max (about 180f usually) anytime there is a call for heat. On spring/fall days with lower heating requirements, the boiler will tend to short cycle and efficiency

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DIY Outdoor Wood Boiler (wood burning stoves forum at permies)

How Efficient is Your Boiler? A Boiler Efficiency Guide

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Am I being spun a line re: efficiency of Camray 5 oil boiler?

Dec 21, 2021 · Impossible to say if boiler right output for properly needs proper heat loss calculations to tell I certainly doubt its running at nearly 90% efficiency at its age. Also at its age chances are boiler is in last part of its life. I would be pushing for better insulation as a first move.

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Boilers - DoItYourself.com Community Forums

Feb 09, 2012 · 6. >. Last ». Threads in Forum: Boilers - Home Heating Steam and Hot Water Systems. Forum Tools Search this Forum. Views: 4,247 Announcement: Take the DIY Community Survey Today! Liming IBtyen. Views: 962,290 Announcement: Moderator Positions Available For Qualified Professionals. Liming Sharp Advice.

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Boiler - Efficiency

Boiler efficiency may be indicated by. Combustion Efficiency - indicates a burners ability to burn fuel measured by unburned fuel and excess air in the exhaust; Thermal Efficiency - indicates the heat exchangers effectiveness to transfer heat from the combustion process to the water or steam in the boiler, exclusive radiation and convection losses; Fuel to Fluid Efficiency - …

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Boiler Size | DIY Doctor UK DIY Forums

Dec 18, 2010 · Sponsor. by plumbbob » Sat Dec 18, 2010 10:37 am. Calculating boiler size for combi boilers is different to conventional calculations. In fact it is opposite. Instant water heating requires a massive capacity boiler usually far in excess of any heating requirement. To calculate boiler size nowadays, consider your hot water requirements.

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DIY Boiler Installation | Page 2 | Screwfix Community Forum

Feb 07, 2016 · Screwfix Community Forum. DIY Boiler Installation. Discussion in 'Plumbers' Talk' started by Tommo44, Aug 6, 2007. If the manual says test for CO and burner efficiency then regardless of you being a DIYer you must do it or …

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10t Agent Boiler Machine Latvia

Industrial 10t Coal Boiler Agent Latvia. Industrial 6t Coal Steam Boiler Agent Latvia; 4T 6T 10T Heavy Oil Fired Steam Boiler. top 10 condensing gas in germany 2t 3t 4t 5t 8t 10t 15t 20t oil gas manufacture in german Brand new gas fuel condensing Read More 10t/h fired zg technology Fired WNS horizontal gas/oil /diesel … Get a quote

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High efficiency boiler recommendations | Terry Love

Dec 12, 2018 · Boiler Forum: Burnham Alpine 150 ModCon likely oversized and not working at highest efficiency: Jan 8, 2018: Boiler Forum: pH neutralizing media on high efficiency boiler: Aug 25, 2012: Boiler Forum: High efficiency condensing boilers not so efficient: Feb 13, 2012: Boiler Forum: High Efficiency Boilers: Jun 22, 2009: Boiler Forum: Oil boiler

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Measure boiler efficiency | Page 2 | Screwfix Community Forum

Aug 30, 2021 · Mike83 Screwfix Select. Your boiler is about 14kw. 14kw x 5 hours per day = 70kw per day. 70kw per day x 365 days = 25500kw. The only way this figure is even remotely achievable is if the boiler is burning gas constantly for 5 hours per day every day. Mike83, Aug 28, 2021. #21.

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What temp do most people set their boilers to

Dec 01, 2015 · Mar 13, 2012. #9. Most condensing boilers condense for longer when the return temp is around 55 degrees. Ideally you want to keep it condensing for longer, for energy efficiency. So the way that I always do it, when setting up a new system or balancing an existing system is: Add the differential across the flow and return onto the 55 degrees

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Flow temperature for a combi boiler - Page 2

BUFF said: For a condensing boiler the lower the return temperature the better for efficiency.The next set of Building Standards Part L 2022 will make the maximum designed flow temperature of new/retrofit installation to be 55°C or lower. almost certainly when designed with an appropriate CH system, such as UFH or oversized rads. 0.

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