Question: what are some causes of low water pressure in houses?
Answer: Outdated Fixtures. In some cases, low water pressure can be caused by fixtures that have become faulty over time. ... 
Pressure Regulators. In some cases, a faulty pressure regulator may be the cause of low water pressure. ... 
Water Valves. ... 
Clogged Water Pipes. ... 
Corroded Plumbing.