If deposits are not the issue, check the hot water isolation valve at the fixture where hot water takes long to arrive. These valves are usually located beneath or behind the outlets they serve.

Engineered for strength and durability, the standard AWWA C508 Swing Check Valve offering features an ASTM A536 ductile iron ...

An isolation valve on the force main failed ... There is a minimal probability of impacts to surrounding bodies of water and ...