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  1. W

    Vaillant unvented keep running out of hot water

    Hi guys I'm stumped never ran out of water before I have it on time periods but lately I keep running out every few hours and if anything we use less water. I can't seem to see any leaks, not sure what Is going on. Unless during the time periods it is not switching on. I have checked and the DHW...
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    Low Pitched slate roof is leaking - Possible solutions

    I've had an L shaped extension built around my house and the roof has a 9-10 degree pitch I've had leaks coming through and had the work done again both times OSB boarded counter battens and also double up on breathable membrane. with the slates having a bigger overlap. This was in December 2014...
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    Velux window leaking. Help needed

    Hi I had a single storey extension done and installed velux windows the roof pitch was too low and the windows were leaking so I had to install velux roof kerbs to increase the pitch because the leak was coming through the velux. Well last night after heavy rain had a further leak but not sure...
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    Ubiflex vs cromaflex by cromar for velux kerb flashing

    Hi guys need some advice which is the better flashing material to use on a velux ply kerb. The windows having been installed below recommended pitch and they are leaking. Any advice would be appreciated
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    Can you view temp from VRC470

    If it's a full vaillant system incorporating the VR10 sensor can I check the current temperature in hot water cylinder?
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    Struggling to find VR10 in stock

    Rang all places locally no one has in stock. Anyone know where I can buy from
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    Does VR10 probe replace unistor cyl stat?

    Hi Unwrapped the unistor and vaillant 624. Also have the VR66 along with VR70. Should this include the VR10? Does the VR10 replace the cylinder stat?
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    Full vaillant unvented system

    I've recieved deliver of a vaillant 624 HE ERP rated boiler this is the latest. Vaillant Unistor 210L, VR66 and a VRC470 weather compensator the wired version is this a good setup. City plumbing told me this is the best set up. Would it be better if I used honeywell or danfoss controls
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    Vaillant unistor opinions please

    How does this compare with megaflo or gledhill? Is this a good choice
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    Question regarding controls for vaillant 624 and unistor

    Hi I've just ordered a vaillant 624 system boiler and a 210 litre vaillant unistor. To keep costs down can I use a wired honeywell room stat and the standard cylinder stat for hot water? What would you guys recommend.
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