Plumbing Advice

My residential block has 5 floors above the ground floor, the 5th being the top floor (loft under the sloping roof) where one side has the communal cold water tanks for most flats and a communal hot water cylinder for most flats as well. The other side of the 5th floor has a tiny studio, where the the cold water is supplied from a tank above the studio's roof and the hot water is supplied from an adjacent immersion cylinder serving that flat alone. If I get rid of the cold water tank and...

 

The radiator in our bedroom does not warm up. I removed the thermal adjusting "thing" to expose the pin. The pin simply slides in and out as I would expect it to do. In or out, the radiator does not warm up. The radiator in the kitchen was the same, but removing the "thing" and pulling the pin out, gently of course, corrected the radiator and it functions normally now. What should I do to coerce the radiator in the bedroom to begin functioning again.

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I bought one of these for Xmas and have started using it, however I've noticed little dints in the pipe after using it. I figured it must be the sharp edges on the guide that we're doing, however after filing down those edges I'm still getting the dints. Has anyone else experienced this and if so did you solve it?

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looking for a baxi bermuda vp3 renewal gas fire NG glass door and trim
if anyone is able to help… gc number 47 075 04
glass is cracked and had to shut off fire.. customer is desperate to keep fire but i cannot seem to find one anywhere.. anybody know of somewhere i could try. long shot i know 🙏

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I have a problem with my system when both CH and HW are on. The CH seems to take priority and the HW hardly warms up.

To get the HW to heat I usually need to turn down the heating on the thermostat or turn it off on the programmer.

Is there a way to make the system give priority to the HW over the CH.

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What's the official/best way of doing this. Turning water off to a property to swap the internal stop tap. With the house being on a shared main. Around 6 houses on it I think.

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I worked on a light commercial installation recently and worked on threaded steel pipes for the first time.
How do you break into it? One length of pipe with joints at either end need to rotate in opposite direction at each end to get undone!
I was lucky in that there was a sort of coupling joint on a short pipe and I just had to undo it. Otherwise I'd have been screwed.. like those pipes!

The job was just to cap off an appliance, so I didn't want to go altering pipework and so on, except...

 

Ideally I would like ufh to run at 35

....but with current flow rate set at 75, the boiler aims for 75 and gets there way too fast! and overheats as the 35 mixing valve blocks most of the heat, the boiler does not like that as it over heats too much and so trips (lock out), so, I should have a buffer tank to absorb the high heat output, and the ufh can draw on it slowly, but, I don;t want one! no space for it)

Rads at 55

and hot water cylinder at 65 / 70

Possible?

I am thinking each...

 

Hi guys! The sinks and toilets weren’t draining and someone has told me that the pipe has broken and is asking for £13,000 to fix it, whilst I spoke to someone from Thames water today, on my way home from the shops, and he said the same issue (clogged sinks, toilets, etc) could be from a clogged pipe and that wouldn’t cost much to get fixed. The plumber posted this video of the issue but I can’t see any broken pipe.

That’s the video he made: View...

 

Hi all,

I fitted my first rad the other day and unfortunately both tails are weeping. Whilst holding the tail in my left hand I wrapped ptfe between 15 and 20 turns clockwise. I screwed them in with my radiator spanner as far as they would go, not quite up to the last thread though.

Im going to drain the system (its only a couple of rads) and try again. I guess the options are to try and screw them in a little further? Or Shall I start again and try more turns or slightly less turns and...

 

Hi guys quick question,

I got a new boiler fitted last April, always had small pressure drop 0.5 in 6/7 months in the old one which I just topped up couple of times, since getting the new one fitted when heatings on the upright rad in bathroom airs up in a week nearly to the day n then it went a month but I was loosing 0.5 bar a month the other day I seen water coming out the auto air vent it’s under the boiler my mate opened it up n there was water in the tube from the AA valve anyway guy...

 

hi,
For newer boilers with variable speed (modulated) water pumps for central heating. Should there still be bypass valve when all radiators have TRV's. Plumber saying not needed anymore.

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I had a new Vailant boiler installed 2 years ago, and the system has needed a motorised valve replaced twice and now the Onyx pump has started making an irritating and irregular high pitched squeaking noise.
Can anyone advice me what the fault could be ?

Many thanks
Jon

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Well we have tried a couple of international domain names out and the best we have ever been on was our own original UKPF.

So I took the tough decision once again to switch domains (so 3rd change in 3 years).

Apologies for any confusion. Links to any threads and forums, on either of the old domain names will work again in the next 60 minutes.

I'll sort some artwork out today too.

Thanks for your patience. 🙂

Let me know about any bugs in this thread.

Cheers
Dan

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Talking with one of the guys in the office about a mysterious boiler fault (runs, ignites, locks out) reminded me of an issue in a new boiler room some years ago. Three new gas boilers all installed at the same time, due to handover to client but one boiler kept locking out. It would go through the startup sequence, establish a flame then lock out. Each boiler had a mains inlet socket at the back with a plug and flying lead from the control panel. Looking at the backs of the boilers I...

 

Hi

I have an unvented Megaflow system, which is 10 years old. Since October last year we have had low pressure in the shower, I have had to take off the shower mixing valve every few weeks and clean out what I believe to be scale from the hot water inlet mesh (see photo attached) . The pressure then returns to normal.

The TPRV valve is slowly dripping in the tundish, even after i reset the airgap via the instructions on the front of the megaflow, could this be causing the buildup?

We...

 

For the life of me I can't work out how to remove the attached. Any advice? Cheers.

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Last year, my wife and I viewed four apartments in a block of apartments that had a district/community heating system. Each apartment therefore had a heat interface unit (HIU). It was my first experience of this type of heating and I had never seen an HIU before.

In each apartment that we viewed, I was aware of a hum in a certain area of that apartment and it appeared to be coming from the HIU. If I was not in the vicinity of the HIU, I could not hear the hum. My main query is, do all HIUs...

 

I have recently started a new job as a Facilities Manager, and one of the plumbing contractors said that he noticed an issue while he was working on a cylinder in a flat “the expansion vessel is being fed by the cold-water pipework, which includes a non-return valve between it and the cylinder, and that the non-return valve between the expansion vessel and the cylinder will render the expansion vessel ineffective, as it obstructs the necessary flow for pressure regulation?” I have contacted...

 

I was cleaning up my honey-well V8043 motors on a few of my power heads. They were working fine when I re-installed them. I checked the two wire motor leads on a few of them and was getting 26 VAC (should be 24 VAC).

One had a bad end switch so I swapped it with a good one. When I installed it all five zone controls stopped receiving calls for heat. I checked a few for the 26 VAC but showed zero. I followed the traces back to the transformer. It also showed no voltage (AC or DC). The...