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Problems with new steam boiler installation
We just had a new Burnham Independence gas fired boiler installed in our 1937 house. The old boiler worked great, no hammers, gentle hissing, the usual. But when the low water cutoff failed, the boiler cracked, and $4500 later, the new one looks great, but is creating some problems. First, there are the bangs that must be water hammers. But the bigger problem are leaks that have developed at (now) 3 of the radiator ball valves, requiring us to turn those units off for the moment. So they got something wrong. The subtractive pressuretrol lists 3 on the Main scale (cut-out) and 1.5 on the Differential (cut-in) so that doesn't seem too high (or does it). My initial theory before looking at that was that the pressure was probably set too high and was blowing through the ball valves. The plumber is coming this afternoon. Suggestions for places to direct him?