hot water boiler temperature settings

Aquastat Temperature Control | Boiler Components

Aquastat Temperature Control | Limit Control. The cutoff temperature for most hot water boilers is 180° F. There is a differential setting to make sure the boiler does not short cycle or run unnecessarily. Additionally, if your boiler is equipped with an outdoor temperature rest the 180° F. set point will change.

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Temperature Setting for Domestic hot water Boiler??? | Hearth

Loc: northeast PA. Hello, just wondering If I can turn down my oil fired domestic boiler. The low setting is currently set at 180 degress. Some have said it could be turned down to 150 degrees or so. My goal is to save oil by firing less.

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Combi Hot Water Temperature | PlumbersForums.net

Aug 03, 2015 · The installer set the temperature to 55 degrees. When running the tap, the water seemed to get very hot - certainly too hot to put my hand in. I turned the set temperature down to 50, and this gave a more comfortable temperature, although I would have said it was more than 50 degrees.

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what temperature to set thermostat for hot water

Users saying Thanks (1) I have a Glow Worm boiler which is 25 years old and still working perfectly. I set the boiler thermostat to half way (2.5) and the tank thermostat to 50 degrees. For a bath, I increase the boiler temperature to 4 and the tank to 60 degrees. This is normally hot enough with out having to add much cold water.

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The Temperature in Your Boiler and the Dangers of Overheating

The average setting for a gas-powered hot water boiler is 180°F. This provides the appropriate level needed for most cold weather temperatures. If you can raise the temperature manually, do not set it any higher than 210°F (which is often the limit), and try to remain down at 190°F if you need the extra heat.

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Vaillant Boiler temperature settings | DIYnot Forums

If the boiler is heating hot water then it will need to be set at least 5-6° above the target hot water temperature which is ideally set to 55° making the boiler need to be at least 60°. Of course it could be that you have a control which already raises the boiler temperature just for hot water.

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What Temperature Should a Hot Water Heater Be Set At?

What Temperature Should a Hot Water Heater Be Set At? Your water heater accounts for about 18 percent of your home's energy bill. If your water heater is set too high, you will be paying the price in your energy bill each month.

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Heating and Hot Water - Energy Saving Information | YouGen

Traditionally, radiators fed by central heating systems operate at higher temperatures (from 60 to 80 degrees C). A lower temperature flow (as low as 35 degrees) is becoming more common, and is desirable because it is more efficient. Low temperature heating is common in underfloor heating,

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What is the Most Efficient Temperature to Keep the Boiler At?

May 28, 2013 · Ideally, a full set of controls will include a thermostat for the boiler, a thermostat for each room and TRVs (thermostatic radiator valves). Boiler thermostats set the temperature of the water that will be pumped to the radiators. The higher this is set, the more energy will be used and the hotter your radiators will become.

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Boiler Temperature Setting - Boilers & Hot Water Tanks

Dec 07, 2017 · The annoying thing was that the guys that fitted our boiler recommended that we run it at much higher temperatures - not sure why, but they left it with the heating set to 75 deg C and the hot water set to 65 deg C, both a lot hotter than needed and those temperatures meant the thing was never condensing in heating mode at all.

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How hot should my water and radiators be ? | AVForums

Jan 27, 2009 · We have a combi boiler which allows for individual temp settings of the water from the taps and the water in the radiators Is there an optium temp that they should be set to to ensure that we are not wasting money and everything is running efficently ? Hot water is only usually used for washing up

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Correct temperature setting for hot water heat/furnace

Sep 23, 2012 · Most boilers have a min/max setting - yours may be set too close together. Also, you may need to consider an outdoor reset control that will adjust the boiler's temp based on the outside temp (thus load). It's highly likely that for most of the winter, you could heat the house with lower temp water.

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Getting the Most Out of Your Commercial Condensing Boiler

Apr 11, 2012 · Of particular note is that an outdoor air temperature sensor has to be connected to the boiler to reset the hot water temperature. If no sensor is present, all boiler manufacturers have a HWST factory default setpoint of between 176° F and 194° F (roughly).

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Water Boiler Temperature settings and circulator

The LOW setting is the temperature that the boiler will keep itself warm at. This keeping warm is normally used for domestic hot water production. The DIFF setting works ONLY with the LOW setting, and 20-25 is a good number for that. Normally, the HIGH is going to be 180°F.

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Water Boiler Temperature settings - DoItYourself.com

Water Boiler Temperature settings. You are correct, it is under the Honeywell box. I have attached a pic that shows that it is set at 180 degrees. What could it be if the thermostat is set to 180 degrees but the thermometer shows 210-220 degrees when the boiler is finished running? Also, how many degrees should it cool down between heating

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What Is The BEST Water Heater Temperature Setting?

Jul 31, 2018 · How to Set Temperature on a Gas Water Heater Gas water heaters have a setting knob that can be turned to adjust the temperature. Turning the knob towards the "HOT" or "VERY HOT" setting moves closer to 140 degrees. The "Vacation" setting does not heat water, but keeps the pilot light ignited.

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What's the Best Temperature for My Water Heater? - Lifehacker

Guidelines from the department explain that most hot water heaters are automatically set to 140 degrees Fahrenheit, but that's usually unnecessary. Not only will setting it to 120 degrees meet most

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What are the Safest Temperature Settings for a Hot Water Heater?

Nov 28, 2019 · Very hot water temperature can cause burns with great rapidity, and as such, care in setting your hot water heater is required. Setting the hot water temperature lower also means a savings in energy bills for heating the home's water in many cases. However, a lower temperature does mean you will run out of hot water more quickly. Most experts recommend that hot water temperature should not exceed 125° F (51.66° C).

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central boiler:lowering the water temp. | Arboristsite.com

So set at 180 the boiler loop can typically go from a low of 160 to a high of 190. Usually it is more like 165 to 185. Now, subtract 10 degrees for the PEX run and 10-20 degrees from the low for the hot water heat exchanger and you will have typically 145 degree hot water for the hot water and floor loops.

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Your combi boiler's ideal temperature for central heating

These control the output temperature for the radiators and the hot water temperature. To maximise efficiency, we recommend setting your radiator dial to 75 degrees and your hot water to 60 degrees. Once you've got your boiler running at the optimal temperature, you'll want to set the timer for when you need heating the most.

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How to Set Hot Water or Steam Heating System Pressure

Typical pressure for a residential boiler serving a two story home would show 12 psi cold, and less than 30 psi hot. Over 30 psi boiler pressure will cause the pressure relief valve to open. Typical operating temperature settings on a boiler call for a Low temperature (boiler cut-in) between 120 and 160 °F.

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The Normal PSI Reading for a Hot Water Boiler System | Hunker

The high-limit temperature setting should be around 190 degrees and the standard hot water operating pressure around 20 psi. Pressure Gauge The pressure gauge on most hot water boiler systems is located on the front of the unit, sometimes near the top.

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Recommended temperature settings for hot water heaters

A hot water setting of 60C in hotels, hospitals and other large public buildings can control Legionnaires' disease. However, there is less danger of bacterial growth in smaller domestic hot water tanks. Consequently, the minimum water heater outlet temperature in residential systems should be set at 54C to produce a tap temperature of at least 49C.

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Boilers | WebHVAC.com

Thermostat Settings on Boilers. The typical temperature set point for most hot water boilers is 180 degrees Fahrenheit, while the low limit, or dead-band, is normally 40 degrees Fahrenheit and can be manually adjusted.

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Recommended Temperature Settings for Hot Water Heaters | Hunker

However, there is less danger of bacterial growth in smaller domestic hot water tanks. Consequently, OSHA recommends the minimum water heater outlet temperature in residential systems to be set at 130 degrees F to produce a faucet temperature of at least 120 degrees F.

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Advice on Boiler Temperature Settings – Combico Heating

Oct 12, 2015 · Advice on Boiler Temperature Settings. With this method of operation, the system must have a zone valve operation to provide domestic hot water priority. The domestic hot water must reach a minimum of 60 degrees C. to achieve protection from harmful microbial incubation and proliferation.

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What are the proper temperature settings for my boiler

The average setting for the aquastat (the temperature control device on a boiler) for a forced hot water system is 180 degreesF. It can be raised as high as 210 degreesF if needed in severe weather. It can be raised as high as 210 degreesF if needed in severe weather.

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Is it Safe To Turn Down Your Water Heater Temperature

Mar 10, 2009 · Almost every checklist of energy-saving tips includes the recommendation that you turn the temperature of your water heater down from 140°F (60°C) to 120°F(49°C), including on TreeHugger and Planet Green. Yet up in Canada if you look for recommendations,

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Should water heater thermostats be set to the same temperature?

I'm guessing that setting your top thermostat to a 150 would give you small amount of really hot water rather quickly, while setting the upper and lower thermostats evenly to a moderate temperature (115-125) would be your quickest way to get a full tank of hot water.

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Hot Water Temp Setting?-Oil Burner - Forum - Bob Vila

But, when the oil burner kicks on to heat the house, naturally, the hot water temp goes way above that, due to the burner heating the water that is flowing through the baseboard heat to the

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Jeff Howell's Tips for Central Heating

They say condensing boilers don't work efficiently on low heat. Condensing boilers only really condense properly (thus extracting the waste heat from the flue gases) at a water return temperature of 54C to 56C. This is usually achieved by having a flow temperature (ie the water flowing out of the boiler) of around 70C.

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Aquastat settings: Best High, Low, & DIFF Settings on a

Where a tankless coil is installed on a heating boiler to make domestic hot water (for washing and bathing) we prefer to set the differential (DIFF) to its highest number (usually 25 degrees). Our photo (left) shows the DIFF adjustment on a Honeywell aquastat. This DIFF is set to its lowest value: 10 °F.

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How hot should my water and radiators be ? | AVForums

Jan 27, 2009 · Now on the boiler we can set the temp of water to rads from between 38 and 82 degrees. I get confused as to how high it should be set and also if there is a optimum setting regards getting the most value for money (gas bill wise) out of the heating. The thing with the tap water is fine and easy to work out.

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What Temperature Should a Hot Water Heater Be Set At?

Factors That Affect Hot Water Temperature Setting. Elderly homeowners or those with small children may want to keep the temperature at 120 degrees. According to BabyCenter.com, "It takes just two seconds for a child to receive third-degree burns from water that is 150 degrees and five seconds if it is 140 degrees,

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What's the best temperature for a condensing boiler to be set

Jan 23, 2019 · Your condensing boiler should be set to generate water at a flow temperature of at least 60C (hot water tanks should store water at this temperature).  This is because this is the temperature that

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