What To Look For When Buying A Used Hot Tub -

A healthy pump has a steady hum. If you hear grinding, screeching, or loud clicking, the bearings or motors are likely failing. Check the Heat: Verify the water reaches at least

Turn them on high. Ensure every jet is actually firing with strong pressure. Weak flow could mean air blockages or brittle, failing internal plumbing. The Deep Dive: Under the Panels

. If it struggles to climb, the heater may be corroded or near the end of its life.