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plumbing repair Richmond Boiler basic definitionA boiler is a closed vessel in which water or other fluid is heated. The fluid does not necessarily boil. (In North America the term "furnace" is normally used if the purpose is not actually to bo

plumbing Richmond Boiler - about accessoriesBoiler fittings and accessoriesedit Pressuretrols to control the steam pressure in the boiler. Boilers generally have 2 or 3 pressuretrols: a manual-reset pressuretrol, which functions as a safety by