Heating advice

Understand the system before replacing it.

Short guides to common electric heating and hot water problems.

Check whether the off-peak supply is actually present before assuming the heater has failed.

Insulation resistance, element leakage and wiring faults need testing before replacing controls.

The fault may be supply, controls, pump, sensor, element or appliance electronics.

Cylinder controls, immersion elements, thermostats and supply arrangements should be tested systematically.

Tell us the fault. We’ll tell you the sensible next step.