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I currently have a Vaillant 937 controlled by a Tado V3+ system using ebus. I have bought a new Tado X system which only does opentherm or relay control. I have purchased a VR33 module and have already done a test fit and proved it works changing the V3+ to talk opentherm rather than ebus. I am...

We plan on having our Edwardian house totally rewired next year however we are about to have the septic tank replaced with a powered sewage treatment plant and while the terrace and lawn have large trenches dug in them that run from outside the wall that has the DB on it, under the 3ft wall at...