A boiler works by heating water in an enclosed space. The expansion of water molecules as it transforms from a liquid state into a gaseous one causes the boiler to generate a vast amount of pressure. This is generally the science behind a back boiler.
dry preservation boiler
Possibly the boiler is firing oil and thus the soot from the oil is spilling back into the gas flue
In order to prevent boiler from rusting (oxidation of magnetite layer) we must have to preserve the boiler with reducing chemicals like hydrazine hydrate.
The water tube boiler forces water through tubes and heats these tubes from the outside. This is done in a combustion boiler, or in the steam generator of a pressurized water nuclear reactor. It could even be done in a thermal vent in a geologically active area. The heat penetrates the tubes and increases the thermal energy of the water in the tubes and turns it to steam. The steam is sent to do work, as in a turbine. The steam loses thermal energy as it passes through the turbine, and it eventually exits the turbine as low energy steam. It is then dumped into a condenser. Here the "last little bit" of the steam's energy is removed by the cooling water passing through tubes in the condenser, and the steam is turned back into water. The water is them pumped back through the water tubes in the boiler or steam generator to repeat the cycle. The
The price of a natural gas boiler will depend on a few factors. For example, the company that is selling the boiler, the quality of the boiler and where one is located. Prices may vary depending on location and availability.
A back boiler is a boiler which supplies a central heating and hot water system and is fitted into the recess of a fireplace.
Hi , Your back boiler will disconnected and a condensed boiler will be fitted. You can use your existing heating system but be sure that a powerflush is done when you get it installed. for more info http://www.rapidfix.com you can get fixed price online
http://en.wikipedia.org/wiki/Boiler Should be everything you need to know
Yes, If it is a pressurized system, the water from the back boiler and your oil or gas fired boiler can be mixed. This can also be achieved by using a water to water plate exchanger to preheat the return water from your heating devices. If you have a forced air heating system in the house, a coil can be placed in the main trunk line of the duct work and heated by circulated water from the back boiler.
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yes your muscles must do work in order for you to move
when our heating system was changed from a back boiler to a wall mounted one we had the back boiler removed so as to revert to a 1st class chimney, so we could have a coal fire if required, and the flue liner was taken out.
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Connect the bottom right hane corner to the left top hand corner.
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*A boiler check valve is usually made by Watts and called a Watts 9D. This prevents the water that goes into the boiler backflowing and having the heating water from the boiler coming back into the domestic water and having you drink it or shower in it.* Cheers,QuiteSomething