Recent content by Red One

Yes, I'm sure the EV is fine. It holds a charge ok and is only a few years old. I measured the pressure on the Ev bladder with 3 gauges. A new one I bought a few days back, 1 I already had, and the gauge on the tyre inflator I have for my compressor which is a heavy duty forecourt job. All...

The lower PRV was fitted years ago by a plumber who I had called in because our water pressure was causing a lot of noise when running taps etc throughout the house. When he came, he said our pressure was too high and fitted that lower PRV. I did not know the system as I would now to debate if...

John. I have attached the schematic from the Santon cylinder installation manual. It shows the balance cold water connection tee to come after the combo valve and PRV and before the EV tee. I have also attached a photo of the actual set up reflection those instructions with the balanced out...

Sorry John, you have lost me a bit there. The balanced cold is indeed teed off downstream of the combo valve and pressure release valve. Would this not be correct as effectively the cold supply to the shower and the hot supply are both pressurised to the same pressure as the cylinder? Are you...

Another thing that might be worth adding. When I turn off the stopcock to the cylinder as per the above diagram, it turns off the cold water supply to the two showers as well as the hot water. I hadn't picked up on this previously. However, the cold water supply to the 4 sinks and the bath...

OK. I have attached a diagram of the cylinder and pipework in the airing cupboard. The connections are correct, but I have tidied up the routing of the pipework solely to make the diagram clearer. The expansion vessel for instance is a lot higher up than shown here. I hope this provides some...

No. Not in my case. There is no balloon inside the cylinder. The expansion vessel (same thing) is external in this case. My water runs through the tundish worse when the boiler is heating the hot water cylinder. But also does it when the boiler is off. Basically worse when there is higher...

Thankyou John, I'll post up a detailed diagram tomorrow of all the pipework. Cheers.

The E vessel volume is 19 litres, and the cylinder is 210 litres, so it falls below 10% of cylinder volume. Santon supplied a 19l Exp tank with the cylinder, but I think its on the edge of its capacity? The Combi valve is on the mains in cold water pipe which goes into the bottom of the...

I have a Santon 210 litre unvented cylinder. I've had water running through the tundish for a while. Initially, I had a very weak hot water flow to taps and showers. The gauge at the combination valve showed only about 1.2bar pressure. The santon system should be set at 3.5 bar according to...

thanks. I have most of them now at around 1/4 turn or slightly above

Yes, the rads are hot at about 3.7 setting, but the stat trips at any setting over 4 (which obviously I never set it at) Over the last few years Ive replaced the 2 way valves, pump, expansion tank and had the system flushed and new inhibitor added. The burner was serviced too. The only...

I appreciate where you are coming from, but I do really get exasperated at the number of posts asking for advice on a DIY forum which get the immediate answer, "call an engineer". I have fitted a new central heating water pump, replaced burner jets, and added a magnetic filter to my heating...

Yes I am aware of all that. I am also aware that many people do fit their own expansion tanks without issue. I posted elsewhere of the issues a previous engineer caused with my hot water system, charging me a fortune and leaving the system in a worse state than it was when he first came in. I...

Its buried behind racks of clothes in the airing cupboard so difficult to photo. It was an exact replacement for what was there. A Grey coloured potable tank, I think it was 12 or 18 litres, but in any event, it was the same size and type as the original. I checked the pressure on the top...