Hot tub troubleshooting

Not heating, tripping the breaker, leaking, weak jets: what to check first.

Hot tub jets not working: causes and fixesHot tub jets not working or weak? Check for an air lock, closed jets, a diverter valve, a dirty filter, or low water before blaming the pump.Hot tub leaking: how to find the leak and fix itMost hot tub leaks come from pump seals, unions, heater gaskets, jets, or valves. Find the leak by where the water level stops dropping.Hot tub not heating: causes and what to checkA hot tub that will not heat usually has a dirty filter, low flow, or a wrong mode setting. Check these 8 things before replacing the heater.Hot tub pump humming or not working: what it meansA hot tub pump that hums but will not start has a jammed impeller, bad capacitor, or seized bearings. Running with no flow is an air lock.Hot tub tripping the breaker: why the GFCI keeps trippingA hot tub GFCI that keeps tripping usually means a failed heater element, moisture, a bad ozonator or pump, or a worn GFCI. How to narrow it down.