20/02/2026
Well what can you say about this…..
Didn’t expect to find this mess behind the Boiler when I came to replace it😂
Who ever installed this originally didn’t have a clue which was pretty obvious as the system has never really worked correctly since it was fitted.
I can’t stand plastic pipe especially when it’s installed like this! It took me a good half hour just to figure out what was actually going on😂
It was made doubly hard by the fact I couldn’t access any of the pipework from above due to oak flooring.
Anyway managed to strip out most of the plastic and replace with copper where I could and at least correct the pipework runs.
The main reason this Boiler was being replaced was because the customer had no real control over the heating system.
There was one thermostat for the radiators and no thermostatic valves on the radiators which resulted in some rooms being really hot and others been cold.
They also had a large underfloor heating circuit with 4 zones which had been problematic over the years also.
Correct hydraulic separation was called for and controls which would give the customer total control.
There aren’t many systems out there which can do app based control of different circuits like radiators and underfloor.
I decided to use the Honeywell Evohome system which I have used before but only for Smart radiator
valves.
This job required the radiator valves, underfloor heating controller, wireless thermostats for each underfloor heating zone and a wireless hot water cylinder thermostat.
It was a pretty good system to set up once I got my head around the pairing of each unit. Still needs a bit of fine tuning but the customer now has complete wireless app based control over all his heating system.
The underfloor heating manifold had the flowmeters and actuators replaced and a leaking air vent.
And the heating system was fitted with low loss header and additional expansion vessel. It was completely rewired and all the controls were brought into the cupboard to make it easy to access in the future.
It was some challenge getting everything to fit in this cupboard believe me😂
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