MAIN COMBI BOILER 30 HE NO HOT WATER EASY FIX

A MAIN Combi Boiler 30 HE with no hot water could be due to several factors, but many are easily fixable. First, check the boiler's pressure and ensure it's at the recommended level (usually around 1 bar). If the pressure is low, you may need to repressurize the system. Also, verify the boiler has power, gas, and that the thermostat is set correctly. If those are fine, check for error codes on the boiler's display and consult the manual for troubleshooting steps. A faulty diverter valve or a blocked heat exchanger could also be the culpri https://www.ebay.co.uk/itm/282774934443?