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    What is "head" and what isn't "head"

    On the attached PDF file, which system will work best and why? Or will they both work the same.... and why? When I say "best" I mean flow at hot tap and pressure at hot tap in each system. No wise cracks about lack of feed to the cold tank, no overflow etc.... it is diagrammatic.. :)...
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    Emptying the ashes, whats best way?

    . . We have a multifuel stove with two ash pans under the grate. To stop the grate burning out I try to keep the level of the ash to a minimum and so empty it quite frequently. Trouble is, as the ashes are hot when I lift the pan out and tip the ashes into a metal bucket the dust...
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    How to get rid of cluster flies in loft?

    My loft is an annual roost for cluster flies, thousands of them... I could smoke bomb the whole loft, and/or use a slow release insecticide. Does anyone know of a "bat friendly" way of getting rid of these flies as the above may be a bit harsh on any potential bats that may be living in...
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    How to get rid of cluster flies in loft?

    My loft is an annual roost for cluster flies, thousands of them... I could smoke bomb the whole loft, and/or use a slow release insecticide. Does anyone know of a "bat friendly" way of getting rid of these flies as the above may be a bit harsh on any potential bats that may be living in...
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    How to size a new room radiator?

    Can anyone tell me how to determine the size of room radiators? As a rule of thumb what would you say the BTU requirements per M cubed should be? I know there are lots of factors, construction of the building, aspect, location etc etc. The ones in the property vary from 140BTU/hr/m cube...
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    Installing a decorative hearth - how to?

    I have been trawling the web to see what the recommended practice is regards the installation of a decorative hearth. This is already installed but would like to find out if it is installed correctly. The concrete constructional hearth was there already, nice flat and level. The...
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    Sack the plumber!

    Anybody had any experience of having to sack a plumber off the job for incompetence? I have an ongoing job that will never progress to completion; the plumber comes to fix one problem and causes two more. He has never refused to come back but 2 years down the line everybody’s patience is...
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    Feed & Expansion tank in open vent CH system - pipe rout

    .. I have an open vent CH system and want to know if the following is possible. If you imagine the rads connected to a boiler in a central heating circuit round the house. As it is open vented there is a small header tank in the loft. There are three pipes entering this tank namely 1) the...
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    Which timeclock/programmer?

    . . I have an ACV 300SLME thermal store linked an Worcester oil boiler. The oil side has pumped flow and return. http://www.acv-uk.com/slme.htm The radiator circuit is pumped from the primary water in the ACV outer water jacket, the same water as goes through the oil boiler. (The oil...
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    Timclocks, Thermostats and pump/boiler control.

    . . You will have to bear with me as I have never had central heating before and aren't used to setting thermostats and timeclocks, what overrides what and how it is "normally" run. My "plumber" says what I want "cannot be done", but based on his previous history I think it may be more...
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    Building regs - Plastic F&E tanks - Wood stove

    . . I have trawled the 'tinternet for the reference in the Building regs relating to Feed and Expansion tanks used in conjunction with an "uncontrolled" heat sources such as a wood stoves. Can anybody shed any light on this please? I have a Titan PC25R 25gallons F&E tank on the wood...
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    How many vent pipes are required on an open vent system.

    . . Picture a hot water tank with multiple tappings into the cylinder. (The potable water is in an inner cylinder here, tank in tank system.) All open vent system. On a couple of the tappings there is a wood burning stove, flow and return. There is also a vent pipe back to the F&E tank in...
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    Specifications, regulations for catenary wires...

    . . Are there any specifications or regulations relating to catenary wires for domestic use? I need to run some 6mm T&E across 15m to the garage from house. What would you use to clip the 6mm cable to the wire? Cable ties? Are cable ties UV stabilised? Or those old style flat metal cable...
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    Can't find a 25/45 Double Euro cylinder lock.

    . . Not sure if I have posted in the correct area here. :roll: I'm having trouble locating a Euro style double cylinder with 25mm one side and 45 on 'tother (measured to centre of fixing hole). Overall length 70mm Any ideas where I can get one, or something near say a 30/50, or a...
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    Correct wire spec for pipe stats?

    . . What wire spec should I be using for wiring up a high and low pipe stat on a hot water tank? Do I need heat proof wire? Guess it needs to be flex? Amperage? Colours? . .
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    Titan LP1200 oil tank weeping connection...

    . . Has anybody investigated how the connection is made on the feed pipe coming out of a Titan LP1200 oil tank. This tank is about 11 years old and has been recently moved and connected back up. After filling the tank with heating oil a slight weep was noted at the junction between the...
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    Thermosyphoning... how to stop it!

    * * Hi guys n gals... Scenario is we have a wood burning stove linked to a thermal store. To keep the system simple it is designed to run using thermosyphoning to transfer the heat from the stove to the tank..... nice and straight forward.... However, when the stove is NOT lit and we...
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    Is BIGGER any better? :)

    . . Hot water storage, is it better to store LOADS of hot water in a well insulated tank and keep the temperature topped up, or produce the hot water on demand, as and when required? If the latter then I guess it means you could do away with a storage tank all together and use one of those...
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    High 0r Low pressure taps?

    . . Ok, I think I have an issue with a new basin taps that were recently installed. The tap has a really low flow rate on the hot but the cold flow rate is ok. The other point is that the tap is a mixer tap and when put half and half it appears to mix ok but switching back to HOT the...
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    Where do I start?? CH system & DHW...

    Ok, I'm a newbie to all this but in desperation have joined you guys for advice. My tale of woe started last November last year for a "3 week install" so I was told. Still not sorted yet!! I'm rapidly losing faith with the company doing it all.. Question to all you guys out there... where...
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