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    Cohostore - Legit or not ?

    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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    Which finance provider is best

    Hi All, I want to start offering finance options to customers and wondered which providers is best. I looked into Kanda but wasn't impressed. Which ones would you recommend. TIA
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    Rf Trv's, do these even exist ?

    Hi All, I've been asked to replace an archaic boiler in a 12 bed hmo and was wondering if there is a system available whereby Rf Trv's could be used to turn the boiler on and off. So if just one room needs heating the trv in that room talks to a receiver near the boiler. Ideally each room would...
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    Shower sensor part number

    Hi All, Does anyone know the part number of this shower sensor, no markings on it at all. It's 12v DC if that helps.
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    Boiler Sizing

    Hi All, I'm trying to work out a boiler size for a huge, four storey victorian property, part of which is already heated. I'll be adding a second boiler, 18 rads and a cylinder. Is there a heat loss calculator online somewhere or can I relate the boiler size to the total kw output of all the...
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    Pressure Reducing Valve

    Hi All, I've recently installed an unvented Andrews 270 litre gas-fired water heater in a ten-flat hmo and to reduce the chance of leaks I put in a pressure reducing valve. I went for the drop-tight design which is supposed to limit the pressure under no-flow conditions . . . except it doesn't...
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    Boiler / cylinder setup

    A customer of mine has been using a gas-fired calorifier to supply hot water to his hmo, this has now given up and is beyond repair so we are looking at replacement set-ups. The simplest option seems to be to have a gas system boiler connected directly to a 250 litre cylinder and I am looking at...
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    Part L compliance of a new boiler

    Hi All, I've been asked to quote to replace a central heating boiler in a block of flats, the current system is a 50kW boiler on a timer and the occupants of the flats use Trv's to adjust the temperature in their flats so there is currently not a single thermostat in the building. To comply with...
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    Electric shower supply

    Hi All, I've got a house I rent out which has a combi boiler and an electric shower. I'd like to keep this setup but the tenant says the water flow from the shower is too low (like being p#ssed on - to use his expression!). I was wondering about connecting the shower to the hot supply from the...
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    Possible circulation problem with a combi in a flat

    Hi All, I'm struggling with a Heatline Condense combi which is turning itself off within about 20 seconds every time the heating is turned on. The flow pipe is scalding hot, the return stays cold. I've tried fully opening the valves on all 10 rads, as far as I can tell the pump and diverter...
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    Mid-position Valve Wiring

    Hi All, I've searched the forum for an answer to this without luck so here goes . . . I've just replaced a Vitodens 100 system boiler with a Baxi Megaflow system boiler which is connected to an existing unvented cylinder. I've had to fit a new 3 port valve but I'm hoping to keep the existing...
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    Scalding Hot Tap Water

    Hi All, I hope someone can help with this as I am all out of ideas. I have a customer who has been complaining of tap water which is too hot. He lives in a flat and has a Potterton system boiler, a cylinder and a motorised valve. I have replaced the tank stat and set the new one to 60 degrees...
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    Is a new CP12 required after a new boiler installation

    Hi All, Can someone tell me if I need to provide a tenant with a new CP12 if I install a boiler in their house as this new boiler will not appear on the current certificate ? A gas-safe registered friend has said I need to but it's not something I have ever done in the past. I was under the...
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    Mira Shower Removal

    Hi All, Can anyone tell me which model of Mira manual mixer shower this is. Also, any info on how to get it off the wall would be much appreciated. Cheers Paul
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    Gas Supply Pipe Size

    Hi All, I'm about to upgrade a regular boiler for a customer and if I use 22mm copper all the way then I'll be right on the limit for pressure loss. The boiler takes 2.6 cu mtrs and the effective length of the pipe will be 24 metres. My question is, can I go up to 28mm for 3 metres in the middle...
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    Turbomax 824e Fuse Blowing

    Hi All, I'm struggling with a Turbomax 824e which keeps blowing fuse F3 on the pcb as soon as the fan starts. If I disconnect the fan the fuse does not blow but when I replaced the fan with a new one the fuse blew again. I've checked the cable to the fan and that's ok. Any help greatly...

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