Plumbing Advice

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...

 

I previously posted a couple of years ago - Thread 'Help please! Issues with Central heating & Hot water' Help please! Issues with Central heating & Hot water | Central Heating Forum | Plumbers Forums - https://www.plumberstalk.net/threads/help-please-issues-with-central-heating-hot-water.128693/


2 years later and I am back. To cut a very long story short, it all sorted itself after the above thread. However, back in November it started to play up again. The heating would come on...

 

Hi,
Has anyone used a company called Cohostore before ?
Prices seem good but they claim to have a warehouse in Glasgow while their phone number is a Dover area code. Also when I order something I get sent a payment link with a different company name attached. Any help appreciated

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Hi All,
Looking to install a pre-filter before a water softener, and would appreciate any thoughts or ideas on what to buy.

I'd like to have a 1" thread in- and out-bound, as my house inbound is in 28mm copper, and the in-bound to the water softener is 1".

I would ideally like to have a kit that has a built in bypass valve - something like this :

Kit complet station de filtration duplex Aquaphos Easy ​

Kit complet station de filtration duplex Aquaphos Easy qui permet d'éliminer...

 

Hello, I put x400 in our system at the end of November, intending to leave it for a few days but took ill and it's still in there. Now on the mend I want to drain it soon & I've just emailed Sentinel who replied:

"The maximum recommended time for Sentinel X400 to be in the system prior to flushing is 4 weeks. If it has been left in longer it will not damage the system but may not have cleaned as efficiently"

To me that's worded oddly as generally things carry on reacting (till they're used...

 

Hi all, we bought a house 3 years ago that has underfloor heating on the ground floor but the way it has been installed does not seem to conform to any of the accepted standard. It has a newish oil boiler that is running the UFH temp at 75 (yes I know that is too high) but the floor still remains tepid at best. It is an Uponor manifold and I have just changed the valves and flow meters and flushed and vented the circuits (there are 9 circuits). No change still tepid. However, I am wondering...

 

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 found various makes of TRVs had been fitted to the radiators by the previous owners. One make in particular, Westherm four, all have the same problem with the pins. The pins aren’t stuck, they move freely up and down when using a pair of grips but they stay in the up or down position and don’t pop up under spring pressure. I’ve banged them a bit and sprayed them with WD40 several times over several days but the pins still won’t spring up from the down position.
I guess they are faulty but...

 

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...

 

Good morning Gents!

I keep getting asked by a loft company to move header tanks in the loft.

Long horrible horizontal pipe runs.

This of course creates tremendous ball ache with air locks etc.

The heating is always converted to unvented but the hot water.....

Can someone point me towards regs, guidance, standards, literature etc saying you should not do this?

I want something to wave in their face.

Many thanks,

Jerry

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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 had 7 Stelrad softline radiators start to leak around the weld where the elbow joins the radiator panel.

As part of a renovation I have replaced all the radiators and 90% of the copper pipe with Speedfit barrier pipe.
System is treated with Fernox F1 and has a Magnaclean Twin Tech filter which is checked annually when I top up the F1.
Water has been tested by Fernox and was OK.
Open vented system with a Worcester Greenstar 30CDi boiler (16 years old) heat exchanger replaced in Aug...

 

hi all

can anyone recommend a flexible soft drain cleaning hose for a pressure washer , the karcher drain hose looks quite stiff / ridged to work with ,also i would like something that i can gather up easily maybe put on a reel so its tidy .

thanks

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Hi

I own a new build property (well 4yrs old), and moved in 2 years ago.

When I had the first boiler inspection, the chap mentioned that the systems in new builds were a bi 'different'.

The oddities (that I see it as) ready to be educated here!, are:
-The radiator in the upstairs hall way is connected to the downstairs thermostat and not the upstairs thermostat.
-The bedroom radiator does not have a TRV on it - so, it is 'always on'.

This isn't really creating a problem; in fact we...

 

I am wanting to buy my own powerflush machine as it is getting harder to hire one when needed. Which one do you guys have? I am looking also at the Adey magna cleanse system (I have been on their training course at Worcester). Before taking the plunge I wanted to ask what is used the most.

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Hiya,

I have an Ideal Classic FF230 in my house with the sealed system kit and I’ve been having pressure issues with it the past few weeks where it comes on, the pressure steadily rises to 3 bar and then vents via the PRV and then when it cools down the pressure is zero.

I’ve had British Gas come out to look at it twice under the homecare agreement, the first guy said it was the expansion vessel and removed it, re pressurised it and then put it back and said it was all fixed and left...

 

Hi all

I have Vaillant 624 running 3 circuits; a Telford unvented tank and then 2 hearings circuits (downstairs & 1st/2nd floor).

This is currently all run with 3x 2-port valves in and-plan+ configuration with Hive controls. I did have LLH fitted which was removed about a year ago for some trials with a 637 boiler. Now I’m thinking about getting this reinstated but also upgrading all the controls to Vaillant to utilise better modulation and control of temps for each circuit (possibly hw...

 

Hello,

I am looking at converting the rear portion of my integrated garage into a utility room/toilet and wanted to see what my options were for the venting and foul drainage.

Attached is a sketch of the current foul arrangement (estate agent plan is not that accurate) and my initial proposal for the toilet position and foul drainage.

In the proposal I would be running the toilet waste beneath the kitchen units to the rear of the house and then routing it below ground into the current run...

 

Hi, can anyone recommend a controller for wireless TRVs that can set on off time for individual TRV using a phsical control panel with it's own interface/screen that does not need a smartphone app to work and can be used stand alone?

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Hi everyone,

I have a customer who needs a new system boiler, currently has a 22kw which I've roughly calculated as enough heat output for the heating (its a 6 bed victorian terrace house), but this doesn't take the 200l unvented cylinder demand into account. Currently the system is setup on S plan, with no priority domestic hot water. When I fit the new boiler, I would like to try and set it up with PDHW for obvious reasons, but I'm not sure if this is possible with the existing two x 2...