Pool Heater Articles, DIY Fixes, Guides and Tips

When you find your Pentair MasterTemp 500 service light on, you need to remove the screws from the top panel … Read more

Your Pentair MasterTemp 400 wrong temperature being displayed can be caused by a faulty thermistor, wet heater parts, broken thermal … Read more

Your Pentair pool heater display not working can be a result of a lack of power supply, a blown fuse, … Read more

The common reasons why your Pentair MasterTemp 400 keeps shutting off are incorrectly set temperature control, incorrect wiring, low gas … Read more

Your Pentair MasterTemp 400 blower not working can be caused by a number of issues. Dirt and debris, incorrect wiring, … Read more

The Pentair MasterTemp common problems include- ignition failure, temperature problems, heater keeps shutting off, display not working and the heater … Read more