Paloma Tankless Water Heater Troubleshooting. Check for pipe dope inside water flow control turbine. Selecting the right tankless water heater size is the most important factor and directly correlates with the water flow and power.

Locate the clear plastic wire harness (fuse circuit) and wiggle it out of the magnetic valve. How to troubleshoot a paloma tankless water heater water is not hot. If you are the owner of a smart tankless water heater from rinnai, noritz, paloma, bosch, takagi or similar, this troubleshooting guide is for you.