Item #: WBB306670
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How many pounds per hour of steam can this boiler produce?
Question Asked By: LOU , June 04, 2015
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Does this boiler have an autofeeder? Can this heat a 4 floor/2 family home?
Question Asked By: Krazy , Brooklyn, NY , November 14, 2012
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Question Answered By: Product Expert , November 14, 2012
The boiler does not come with and automatic feed. In fact I am unaware of any residential steam boilers that come with an auto feed. The reason being there are several different styles, electronic and mechanical, several different voltages 120V or 24V and several different leading brands. Most trades people are very particular about the one they want, so they have always been purchased separately. As to sizing, most heating systems get sized to the structure. Meaning you do a heat loss and you size the appliance based on the statistical heat loss for the coldest hour of the coldest day of the year. However steam is different. You have to not only satisfy the heat load as just described but you also must satisfy the volume of the distribution system. All steam boiler systems are replacements. They haven’t built a new home with a steam heating system in 50 years. So you are always matching the new boiler with and old piping system. Therefore you must make sure the new boiler has enough capacity to not only heat the house but enough volume (know as Square footage of steam ) to fill the entire distribution system. So in reality a steam boiler can have enough capacity to heat a house but still not enough to produce enough volume of steam to reach the furthest radiators. So when as steam boiler gets replaced often we just match the specifications of the old boilers rating plate. Or if we feel it may be too big we do both a heat loss and a radiator schedule. A heat loss is done by putting info like length, width and height etc. of each room, into a computer program which does the manual calculations to determine heat loss on the coldest hour of the coldest day of the year. Then we take the radiator schedule, which is a list of each radiators dimensions, number of sections and number of columns of each radiator and we look them up in books, to find out how many square feet of steam each needs. From the results we determine what the minimum size boiler is that will satisfy these two factors. People change a boiler and find that certain radiators at the ends of the line no longer get got. Keep in mind the difference between a good steam system and a short lived system is usually found in the “near boiler piping” The first five feet of piping around a steam boiler is part of the boiler. It is this piping that protects the boiler from rapid temperature changes that will cause it to crack and where the condensate is removed from the dry steam. If done right it works ok, if done wrong it can be a nightmare