Rheem Tankless Water Heater Temperature Adjustment

This article on Rheem Tankless Water Heater Temperature Adjustment will describe:  Rheem Tankless Water Heater Temperature Adjustment Let’s learn how to adjust the temperature on a Rheem Tankless Water Heater, whether it’s powered by gas or electric.  How To Adjust Temperature On Rheem Electric Tankless Water Heater:  How To Adjust Temperature On Rheem Gas Tankless … Read more

Rheem Tankless Water Heater Error Code H103

Rheem Tankless Water Heater Error Code H103

Rheem Tankless Water Heater Error Code H103 means the high-limit safety switch gets tripped. This safety device will shut off your tankless water heater automatically when the water temperature gets too high.  To reset the error code H103, you should check the high-limit switch and replace it if required. Apart from this, check the burner … Read more

Rheem Rtex-18 Troubleshooting [Complete Guide]

Rheem Rtex-18 Troubleshooting [Complete Guide]

This guide on Rheem RTEX-18 Troubleshooting will break down:  Note: This is an electric tankless water heater. If you have a gas unit, read this article on the Rheem Tankless Water Heater Troubleshooting Manual. Rheem Rtex-18 Troubleshooting: Common Problems & Solutions Here are the common problems you might experience:  1. Water Heater Isn’t Heating At … Read more