Spa Repair

Spa problems have a pattern: the jets go weak, the water stops heating, the pump sounds wrong, or the water won’t stay clear. Behind those symptoms are a short list of common failures — blocked jets, a tired heater component, a worn pump seal, a loaded filter, a tripped or failing control. Diagnosing which one it is is what turns a spa problem from a mystery into a straightforward fix.

The common spa failures

Weak or uneven jets

Jets that have lost pressure are usually a flow problem: a blocked jet orifice, a clogged filter, a closed or failing multi-way valve, or a pump that isn’t turning over. Because spa and pool often share plumbing, a “spa jet” problem is sometimes a valve or flow issue on the shared side.

No heat or short-cycling heat

Gas spa heaters have a short list of heat-related failures — igniter, gas valve, flame sensor, thermostat. Electric spa heaters point to elements and contactors. A spa that heats for a minute and shuts off is almost always a sensor or flow issue, not the heater burning out.

Pump noise and seal leaks

The spa pump works harder per gallon than the pool’s, so its bearings and seals wear. A whining, grinding, or gurgling pump — or a wet spot under it — is one of the most common spa repairs, and it’s cheapest to address early.

Water that won’t stay clear

When a spa’s water is chemically fine but still hazy, the cause is usually circulation and filtration: flow that isn’t turning the water over, or a filter that’s past its cleaning window. See filter cleaning for the filtration side.

Diagnosis first, always

A spa that “needs work” can mean five different things. Our process is to trace the symptom to its actual source — often it’s not the component it appears to be — and explain what we found before any repair. If a problem is outside our scope, we’ll say so and point you the right way.

For the service side of spa care, see spa service. For shared pool-and-spa systems, pool & spa maintenance covers both.

Frequently asked questions