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    One pipe system conversion

    Hi Ben Your diagram is very helpful. The bypass is there to ensure you always have a decent flow through the boiler, most boiler manufacturers demand it no matter what your system layout is. For example you could have your valve set to hot water and have a blockage or restriction in the coil...
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    Worcester bosch greenstar 24i junior filling key stuck

    These keys can break sometimes. Just make sure you have tightened the white nut so no water is passing by. You can fire it up then. Get an rgi out to replace the filling loop assembly. Pete
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    vertical radiator

    How tall is it? what is the voulume? sealed or open vented system? It may just need balancing the flow and return to allow full circulation to the rad. Pete
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    Red and White exspansion vessles

    A central heating exp vessell will rust so not the best to be bathing in ! As for colours well I guess the white vessells match the unvented cylinders. Pete
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    Reconfigure/new soil stack

    I can see your thinking in terms of one soil stack at the back to service all the outlets. The main issue is that you cannot run a rain water downpipe into a soil stack as the smells would obviously vent up the downpipe and into the eaves. Is there any way you can access the current soil...
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    CH (old open system) re-fill, after removing rad?

    You may have a restriction/blockage in the cold feed pipe where it joins the primary circuit. Sometimes if you give it time the level will correct itself by slowly passing the restriction. If not try backfilling the system with a hose mains pressure to fill to the correct level. Pete
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    Mechanical Extractor Fans

    Do you have access to the loft area as you could install an inline extractor fan venting out through the eaves. These are a lot easier to install in terms of wiring and are also much quieter. Pete...
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    Possible dodgy eletric heating system

    I am sure the MIs state that you should pump to the bottom inlet pipe to ensure good flow through the element. These elements can fry easy if the flow is not sufficient. Pete
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    Parking regs? advice please

    The law changed in June 2011 so that all vehicles must also be insured while parked on a public highway. You can check anyones reg on the MID database. Pete
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    Coring a hole with 150mm of a fabricated opening

    Check the boiler manufactures instructions for termination as generally the flue must be minimum of 300mm from an opening. Pete
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    Coring a hole with 150mm of a fabricated opening

    Is the core for a gas flue by chance with termination at that point? Pete
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    water softner

    Water softeners work with Ion resin exchange process where the minerals are taken out of the water by the resin beads leaving softened water. The resin beads need to regenerate depending on water use with a brine solution cleaning the minerals out which is done with salt tablets or blocks...
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    best practice for water system for presure

    The pressure is dictated by your water supplier. Increasing pipe size will provide a higher flow rate. As long as your pressure and flow rate are correct for your system you maybe able to operate two outlets at the same time with a small drop in flow. p
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    New project

    If you are asking how to squash as many employees into a small space (Sweat shop) :shock: you are asking in the wrong place. We gave up that practice a long time ago. P
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    testing pipework

    How did you tee off compression solder or push fit? Pete
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    Technical Advisor Vacancies? Boiler/Gas Related

    At 32 you still have a good 40 years or more of work ahead of you according to the government. :shock: Pete
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    Powerflush microbore? - 6 of 15 rads cold

    I am sure he got it sorted out 4 years ago :roll: Pete
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    Tax Tips

    I believe life assurance payments are a bone fide expense. Pete
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    Chimney stack removal

    It would certainly require building control notice. Pete
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    waste pipe sizes?????

    Unfortunately they make solvent weld, compresion and push fit pipes in different sizes to confuse us. Generally abs pipe is solvent weld and compression/push fit is the more plastic softer pipe. Solvent weld pipe accepts obviously solvent weld fittings along with compression fittings but not...
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