Electric Hot Water Boiler Manual - Vapor Power
2018-7-14 · If boiler is probe supplied with a ball/float type low water cutoff, a blowdown valve should be installed off the lower plugged cross to facilitate routine checking for proper function of the cutoff control. 2.5 HYDRO TEST Good practice, as well as, most local codes, dictates that a hydrostatic test, at a pressure equal to the safety valve ...
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