Used Stainless Steel Tanks

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FAQ

what is the role of super-heater in a boiler?

Priya, the super-heater adds power AND efficiency to the system, by efficiently adding heat to the working medium, usually water (steam). The medium will come out of the boiler at the heat of vaporisation for the boiler pressure. If the boiler pressure is atmospheric and the medium is water, that temperature will be around 212 degrees F, depending on the height of the boiler above sea level (the HIGHER the LESS the atmospheric pressure, and the LOWER the boiling temperature). The higher the temperature of the medium, the higher the power and greater the efficiency of the system. so to increase both, either the pressure in the boiler can be increased or the temperature of the medium increased through the use of the super-heater. Often the system designer will choose to do both! Hope this helps - CQ

Is that not supposed to be an outside hose spigot?I followd the copper pipe, and it merges with a pipe that comes out of the boiler, but not from the normal hot water ends.wondering if its not supposd to be an outdoor spigot

Without being able to see it and run some tests this answer is an educated guess! I suspect that your tracing of the pipe back to the boiler conclusion that it's NOT from the normal hot water outlet pipe indicates that it is tapped into the cold water inlet supply pipe TO the boiler. IF that is the case, I also suspect that the spigot is just an outside cold water supply for which whoever installed it did NOT have a normal exterior spigot, and used that yellow handled valve [which by the way is probably a Ball valve which is much better than the ordinary faucet]. Test by opening the valve for a couple of minutes to confirm water flow, and determine IF it's cold water, or hot. IF cold I still stand by my above suspicions.

I heard it will leak when turned back on after sitting all summer.

I always do this. No, it does not cause it to leak nor does it have anything to do with leaking. *

I have just put the hot water on in my bath to have a bath and the boiler is igniting but no hot water is coming through. It is coming through in the kitchen hot water tap though....what is worng with my boiler??

If you are getting hot water in the kitchen then there is nothing wrong with the boiler. I think the problem is in the bath control faucet. Most newer baths are equipped with an anti-scald valve which I think may need re-adjustment or repaired. Get the name off of the valve and ask at Home Depot/Lowes as how to adjust it.. The valves are designed to keep the water from getting too hot. It is a small adjustment.

What is the boiler of the box

, So that each tube inside the water confluence here, and then assigned to the next level of the root pipe to go, so you can reduce the heat deviation, making the heat of the working fluid, flow, boiler cooling, boiler thermal efficiency have been optimized to improve

has anyone installed a condensing back boiler,and are they any good?

in all my 50 yrs of maint, boilers are the best when there in a junk yard, I have never ran or found one that would not quit or break down when you needed it the most,

I have a Vaillant boiler, I think it's a combi boiler. We moved into the house in January and since then we have had heating and hot water on demand, no problems. Suddenly this week the hot water seems to have been running out and the heating hasn't been coming on.I have looked at the boiler and a F22 fault is coming up, which apparently means dry fire .. whatever that means. I have bled all the radiators and there is no air in the system, however the pressure (bar) reading is bottomed out entirely. Does anyone have any ideas before I call a plumber?

Vaillant F 22

we have a steam boiler that is too big for the house, we replaced all air release valves and set them so that they would slowly let air out of the radiators. the coldest room is wide open. the temperature is pretty even, but since we changed the valves and set them, the pipe going the longest distance which was the coldest room is making all the racket. it use to make limited noise, not too annoying, now its ridiculous.im thinking we should reduce the nozzle size, anything elsewe should consider?

Steam Boiler? Gosh that must be 100 years old. Age of steam trains. Modern Gas boilers are known as Condensing Combi Boilers. UK price for a good make Vaillant Eco tec pro 24 Condensing Boiler is ?673.85 Inc vat 17.5% Plus flue ?58 inc Vat for a horizontal flue. (we ordered one last week) (about 1/3 less for a cheap and nasty make) then you have the labor and materials (copper pipes / any new radiators) ?20 - ?60 per radiator (rad) + Trv (add ?15 per rad) copper pipe between ?1.50 - ?3.50 per meter. Plastic pipe is cheaper. Labour aprox ?1000 for boiler change only Or around ?2000 - ?3000 for boiler change and new rads and new pipe runs too. If your builders dont know about boilers, how can they understand what needs doing? No wonder your writing about steam power! Miss informed I think. Unless you have steam power still in the USA? (you quote in $, hence my assumption of USA $) Sounds an expensive quote without seeing the job. Even in $. P.s Condensing boilers are new technology, Is the law in the UK that any new boiler must be Condensing unless the building is awarded an exemption ( Government idea for reducing emissions as Condensing boilers are between 5-20 % more efficient over normal Combi Boilers.).