Sticky articles

20 November 2022

Vaillant Eco Tec Plus system boiler hot water priority diagrams

This are diagrams for domestic hot hot water priority set up using: – Vaillant system boilers – Vaillant SensoComfort controls with VR 71 wiring ceters – System with hot water cylinder, radiators and UFH

04 January 2022

Vaillant F.75 error code – full boiler repair

This Vaillant boiler has been suffering from error codes F.75 and low pressure on the pressure gauge. There was also a visible leak to the right-hand side of the boiler. When I opened the boiler, I found a source of the leak – it as scaled Automatic Air Vent on the boiler pump. First call […]

04 October 2021

Ideal Logic intermittent ‘ignition lockout’ message, L2 boiler fault, error code

Ideal Logic combi boiler is one of the most popular combination boilers installed in the UK today. There are thousands of those boilers installed in homes in the UK. One of the most common errors on these boilers is: Ignition Lockout / L2 error code – Ideal Logic / Ideal Independent / Ideal Classic Depending […]