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Top of your post says abusive post removed. Public forum, why the abuse.

Do you know combi boiler operation? I would love to see a combi provide 60 degrees of hot water at stipulated flow rate let alone 70 And where does legionella come in, this is a combination boiler that heats water you drink- no stored water here A combi will heat cold water by35 degrees a flow...

C35 is a 35 kW combi boiler. When running a hot tap, it will fire at 35 kW and then modulate to maintain temperature. For heating multiply each radiator by 1.5 to guesstimate the load on the boiler- doubt it will come to 18kW even. Do you have a room thermostat or relying on TRVs to regulate...

I have always believed women can do the same job as men, sometimes better so question for you is, how do you intent tackling this task You are going to have to fit the new radiator such that the valve tails line up with the existing pipe. Double panel will cause problems if pipes have no...

Daughter has one radiator that shows red light indicating demand active, integral pump running but no heat. Any help to get it working will be much appreciated

Any of you chaps involved with this companies water filled electric radiators?

Plunger creates pressure in the drain pipe Have the openings and branches been sealed so that the pressure created by the plunger will act on the blockage?

Now you see why I was asking for that specific information. Attended a Baxi 105e boiler. Heating worked ok because heating side has greater resistance so flow manifold ( spindle in your text) operated no problem. During hot water demand, the spindle pushed out half heartedly but did not...

Actuator motor has nothing to do with 04 fault code If the pin moves then pump is moving. Your info re 04 during heating and hw is sketchy in that solid information is needed which is what the heating engineer acquires while in front of the boiler. My suspicion is that HW demand is resulting...

One has to appreciate boiler mechanics to understand what is happening in your boiler. The pump creates pressure difference in water ie negative at the inlet and positive at the outlet. This difference is seen by the manifold with the microswitch indicating pump is running and there is water...

Is the air evacuated from the boiler. Is the pump running Happening for heating and hot water also?

You can try x800 but make sure it is well flushed out else it will take your pump out

Add sentinel x400 to the system. Call the manufacturers and ask their advice. I have used both x400 and x800 with good results. As an alternative I have plugged up the header cistern and mains flushed each radiator and used a rubber mallet to agitate the sediment This was followed up by...

Does the OV Vaillant now come with built in pump option?. Asking as I am not familiar with this option. I thought OV bunnies had to have external pump

No offence take. Appreciate your comments.

Agree with you to a point on that. I know from previous an 8 year baxi/ Potterton boiler will have electrodes a double decker will drive through ( unless these have been replaced), detector electrode be out of shape, condensate trap will be full of sediment plus the gas valve drifts. With all...

What we have here is a simple task that needs a little holding of hand but poster is asking questions that suggests he may struggle a bit. More so, getting the boiler serviced properly and faulted will be beneficial. Poster is saying he does not have the U link. A thinking person would get a...

Might be better to call a boiler service guy in to attend and carry out a service on the boiler. Service would entail removing the burner ( boiler is 8 years old and I am assuming this is outstanding). Check the electrode gaps and clearances conform, clean burner and clean / flush the coils...