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Posted by HeatPro on December 03, 2007 at 14:14:54:
In Reply to: Re: Convector and recessed radiator EDR calc posted by steve on December 03, 2007 at 14:05:26:
++++ The water will be at higher pressure than the steam. Doesn't that increase the likelihood of a leak?
Yes. You take your chances.
: : : What has to be done to clean the radiators out?
I think you are saying a good blast of compressed air is just as good.
++ Rethink; a blast of water is safer than a blast of compressed air.
: : Read:
: : http://www.heatpro.us/designtree/documents/screwup.html
: ++++ Hmm, so the heat mass is the extra water itself. The buffer tank acts to preheat and store the boiler heated water where the boiler is actually just a water heater. Can that make enough 215 ballpark water?
++ Depends on the make and model. The new Burnham, Peerless Pinnacle, Trinity, and others are basically the same idea.
Why would anyone use a traditional boiler?
++ Tradition dies hard when cast iron is a less expensive material than steel or copper. Some plumbers only know what their father told them. Learning new techniques takes investment. Eventually, the European boilers built with over 94% AFUE for both gas and oil become attractive as fuel costs go up and condensing makes sense.
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