An expansion tank reduces pipe rattling by absorbing and dissipating the excess pressure generated during water hammer events. When the water flow is suddenly halted, the excess pressure pushes against the diaphragm or bladder in the expansion tank, compressing the air inside. As the air compresses, it absorbs the excess pressure, preventing it from propagating through the plumbing system and causing pipe rattling.
Effectiveness of Expansion Tanks in Reducing Pipe Rattling:
While expansion tanks are highly effective in reducing pipe rattling caused by water hammer, their success largely depends on the specific plumbing system and the severity of the water hammer effect. In some cases, the installation of an expansion tank can completely eliminate pipe rattling, providing homeowners with a quiet and smooth-running plumbing system.
However, it is important to note that an expansion tank may not be a universal solution for all cases of pipe rattling. In situations where the water hammer effect is particularly severe or the plumbing system is inherently flawed, additional measures may be necessary. Consulting a professional plumber is recommended to accurately assess the situation and determine the best course of action.An expansion tank can be an effective solution to reduce pipe rattling caused by water hammer. By absorbing and dissipating the excess pressure, the expansion tank prevents the pressure surge from reverberating through the pipes, effectively eliminating the rattling noise. However, it is important to consider the specific plumbing system and consult with a professional plumber before installing an expansion tank to ensure its effectiveness in reducing pipe rattling.