09/03/2026
🔥 Pool Heater Not Heating?
You turn on your pool heater expecting warm water…but the pool stays cold. Before assuming you need a new heater, the problem may actually be somewhere else in your pool system.
A pool heater may not work properly because of:
💧 Low water flow
🧹 A dirty pool filter
⚙️ Variable-speed pump settings
📱 Pool automation settings
🔥 Ignition or gas-supply problems
⚠️ Sensors, safety switches or error codes
Sometimes the heater isn't actually the problem at all.
Our newest Pool Learning Center article explains common reasons pool heaters stop heating, what homeowners can safely check, and when it's time to have the equipment professionally diagnosed.
🔧 Pool heater giving you trouble?
Michael's Pool Service Inc. provides pool equipment diagnostics and repairs throughout Lakeland and Polk County.
📞 863-648-4888
📍 Serving Lakeland & Polk County since 1987
Licensed & Insured • CPC1458370
🌐 Read the full Pool Heater guide in our Pool Learning Center:
https://michaelspoolserviceinc.net/pool-learning-center