What are the signs of: Pool heater not working?

Heater attempts to ignite but flames do not stay lit. Pool water temperature does not rise despite heater running. Error codes or fault lights on the heater control panel. Unusual clicking, popping, or rumbling sounds from the heater unit. Visible soot or discoloration around the heater exhaust.

Who to call · Oakland

Pool heater not working — Oakland, California

Q: Who should I call for Pool heater not working in Oakland?

For this problem in Oakland, call a Pool & Spa Technician.

A pool heater that fails to ignite, shuts off mid-cycle, or can't reach the set temperature turns your pool into an unusable investment during cooler months. Gas heaters can develop ignitor failures, clogged burner trays, or corroded heat exchangers; heat pumps may have refrigerant leaks or defrost-cycle faults. A pool and spa technician can troubleshoot the control board, test gas pressure or refrigerant levels, clean or replace components, and restore reliable heating.