This is a wiring schematic for Ideal Logic H (Heat Only) boilers on Domestic Hot Water Priority set up

Ideal Vogue wiring schematics for Hot Water Priority set up using Nest 3rd Gen with Open Therm and Weather Compensation Module

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 […]