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I have a old Trianco gas Boiler, that is still in good condition.when the boiler is satisfied on temperature and turns off, i have a rumbling noise.this i have been told is due to the pump shutting off the same time as the boiler.And to rectify this the pump should have a overrun stat,to allow it to run on a few seconds to pump the hot water from the heat exchanger.Is this correct and can it be done

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Where do i adjust boiler temp on a gas fired boiler


difficult to say just where the temperature control is on your system. it will likely be an immersion type control located some on or near the boiler. it should have a temperature range scale on it.

Jan 25, 2013 | Heating & Cooling

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Gas Boiler Condensing Best Features


Condensing boilers are the most efficient way to heat that there is today. The BTU’s that they wring out of the fuel put into them is the best of anything available today. Not only do they burn their fuel very well, they also have technologies built into them to help give then the highest efficiency possible on any given day.

Condensing gas boilers have been on the market for about twenty years now. The early boilers were noisy and very heavy. Today’s condensing boilers are not even remotely the same as their predecessors. There have been many improvements that make these boilers lighter, safer, and more reliable than ever.

Many of today’s condensing gas boilers are controlled by a computerized control that gives many options and features to customize your boiler to the type of system that it is being installed in. Not only does the control monitor the boiler, but it can be setup to control the whole heating system as well. This gives the added benefit of fewer controls and the saving of space. Circulator pumps, mixing controls, and injection pumps can all be controlled by the boiler control.

These technologies are things like sensors to make sure that they are running at the highest combustion efficiency possible or they will shut down. Outdoor reset controls will vary the water temperatures to make sure that the water temperature is only being heated as hot as is needed to make your house warm at any given outdoor temperature.
Sensors also monitor the supply and return water temperatures constantly to shut down the boiler if the boiler senses any unsafe conditions.
These boilers are so good that even if you fire the boiler before filling it with water, the boiler will shut off before it is damaged.

When looking at the boilers on the market today take into consideration all of the benefits of that the newer high efficiency boiler have to offer. High efficiency is really great, but there is so much more to them. The ease of installation because of the light weight of new condensing technology, the versatility of the controls that are incorporated into these boilers, and the outdoor reset technology that will save you fuel and make you much more comfortable.

http://www.fixya.com/support/r3706297-gas_condensing_boiler_high_efficiency

http://www.fixya.com/support/r3583943-condensing_gas_boilers__the_best_radiant

http://www.fixya.com/support/r3597748-the_extra_benefit_of_a_modulating_boiler

on Dec 24, 2009 | Heating & Cooling

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Gas Condensing Boiler High Efficiency Heating



Ultra high efficiency boilers have become one of the best buys in home heating. These high efficiency boilers have changed dramatically from the first pulse boilers that I had the privilege of installing twenty years ago. Today’s condensing boilers are much more reliable and will not shake and rattle the windows of your house like those old beasts did.

If you are looking to purchase or install a new boiler for your new or existing heating system then you need to look a condensing boiler to heat your home with. In the past twenty years the condensing gas boiler has evolved to be a reliable, very efficient way to heat your home.

Radiant heating systems with the right design feature can easily heat your home at temperatures that use just warm water. At these temperatures the water is pulling the exhaust temperature of the boiler to very low points. This gives you extremely efficient boiler operation.
The boilers of today are made to operate continually at temperatures of 100F or less. At these temperatures it is not uncommon to have the combustion analyzer give me readings of 98-99 % efficiency. To get these types of readings and still heat your home the heating system has to be designed to work at these temperatures.

The right condensing gas boiler coupled with the right heat transfer system to get the heat into your home the right way will give you the most efficient heating system possible with today’s technologies.

Do a bit of research and find a heating contractor that knows exactly how to install a condensing boiler with a radiant heating system properly. For your radiant heating system to perform well at these temperatures, your boiler will need to be installed in exactly the right way. There is not a lot of room for error when designing very high efficiency heating systems. To wring every BTU of heat out of the fuel that is being burnt means that you are also on the ragged edge of supplying just enough heat to the building to over come the heat loss of the building at any given time.
http://www.fixya.com/support/r3706364-gas_boiler_condensing_best_features

http://www.fixya.com/support/r3597748-the_extra_benefit_of_a_modulating_boiler

http://www.fixya.com/support/r3583943-condensing_gas_boilers__the_best_radiant

on Dec 24, 2009 | Heating & Cooling

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Water to hot for gas boiler boiler gos off


It could be dyslexia, but I think you want to know what may be wrong with your boiler in this case!
This is a VERY old design. The diaphragm is on the water section, this operates a switch to turn ON the pump, and a further device causes the diverter valve to divert boiler water from CH duty to HW duty.
From your description it appears that the boiler is shutting down on internal boiler water temperature (too high), your 'briefly too hot' HW symptom may be caused either by the boiler side of the secondary heat exchanger being blocked/caked in sludge, OR the DHW side of it being scaled. Either way a new or replacement (descaled) secondary heat exchanger MAY inprove things. It's not easy on these old clunk-pots, and EVERY disturbed seal will subsequently leak, so get a good supply of o-rings and fibre seals before you start ("you" being the competant fitter you employ)

Dec 20, 2012 | Water Heaters

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New Vaillant 360 eco plus boiler, takes almost 3/4s an hour for rads to come up to a decent temp. Hot water is fine. Called out install Engineer who is an excellent tradesman but he says everything


We have just had our old system boiler replaced with a vaillant ecotec plus 837 and sounds like a similar working operation to ours. At first I was a little concerned,but I was told by our installer that he was told by vaillant that these very latest boilers size the system on start up for about 10 mins, then take temperature to target flow which you set boiler at. So even by setting target flow temperature very high you still get the initial sizing cycle, which ours was about 30-35c temp. These boilers seem to run biased for efficiency as after a while they modulate the boiler burner down and the radiators run more on the side of warm than really hot like the old type boilers. You also get better efficiency as at lower temperature the boiler condenses better. You will also find you get a more constant temperature in your home rather than over shoots. I was concerned at first, shame there was no info/explanation in user manual as people do need to know that this is normal operation. We are used to ours now, took a month and by the way these boilers can make a creaking noise but was told this normal expansion/ contraction but annoying when sited in bedroom cupboard. Best of luck!

Oct 27, 2012 | Water Heaters

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The extra benefit of a Modulating Boiler


You're looking to install a new hot water boiler or replace your existing boiler. You come across something called a "modulating" boiler. You wonder what on earth that means. I will attempt to explain some of the features of a modulating boiler.

How nice would it be if you could have your boiler make just enough heat to keep your house warm and nothing more? Your thermostat tells your boiler that you need heat in the house. The boiler starts up and heats the water that runs through the pipes to heat your house. The water does not heat up to temperatures that are more than just warm. But you notice that the temperature in your house is staying right where you want it to be.
This boiler is no ordinary boiler. It knows what the temperature is outside and varies your water temperature to make just the heat needed to keep you comfortable. The modulating boiler also runs much more then a normal boiler would but you can see by your gas bill that you are getting great efficiency from this thing.

The feature that makes this wonder so great is that it has the ability to vary the fire that heats the water up and down so that the water temperature stays precisely where the computer brain in the boiler wants it to be. This temperature is figured by measuring the outdoor temperature and changing the water temperature based on that. The colder the weather is outside, the hotter the water is going through your system.

With a system like this you will notice that your heat will run longer and still not cost anymore money. This makes you more comfortable. The modulating boiler will give you just enough heat to keep you warm without wasting much of the heat that a normal boiler would. This type of furnace will give you the most efficient heating possible on any given day.

Before buying a new heating system or replacing your old hot water boiler make sure that you check into a system that will modulate the fire and also vary your heating water temperatures according to the outdoor temperatures. This will save you money and give you a very comfortable heating system.

on Dec 08, 2009 | Heating & Cooling

1 Answer

Does the boiler thermostat control the heat of the radiators as well as the hot water temperature? Does the thermostat control the water temperature and the pump - as our pump seems to be on all the...


There should be a control called an aquastat that regulates the temperature of the boiler. The thermostat will turn on the circulator to start the flow of water through the radiators. If the water coming back from the radiators is very cold, a control will shut off the circulator until the boiler can come up to a predetermined temperature then start the flow of water again. If you have a tankless coil for domestic hot water, you now have a triple aquastat that maintains the temperature for domestic as well as the boiler temp. So yes the boiler thermostat (aquastat) does control the heat of the radiators and domestic hot water. No the pump is regulated by your house thermostat. You should take an amp draw on the boiler and componants to find out what is drawing more electricity than it should and popping your fuse.

Feb 19, 2011 | Heating & Cooling

1 Answer

I have a Trianco Heatmaker Mark II and we recently had a pressure safety valve and expansion tank replaced and I still notice water around the bottom of the boiler and every so often we hear a whining...


There is a sensor located on the top of the domestic water tank that quite often fails. It has a very thin membrane between the water heater and the atmosphere. Have a technician check this sensor and please start thinking about a replacement boiler. Here in the Northeast we have had more than our share of deaths associated with the venting of this make boiler.

Feb 09, 2010 | Jandy TELEDYNE LAARS GAS VALVE, PROPANE...

1 Answer

Installing a boiler


Set the Miller to turn on at 7-10 degrees lower than your wood boiler. Make sure the Miler works by turning up the t-stat 10 degrees higher than room temperature first.

Sep 13, 2008 | Empire DV-215 Direct Vent Natural Gas...

4 Answers

Boiler will not shut off


boiler does not shut off when thermostat reaches temp, i already replaced aquastat but condition still exists

Nov 14, 2007 | Heating & Cooling

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