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Thanks Stroger, this is what I thought as well. Will explain to him that all controlled by VR40. Now that you mentioned that timer may shorten pump life, I could probably just let it run at the lowest speed during the times when DHW is required and add armaflex lagging anyway. Since I...

Hi Strowder, Thanks for all information , I also found your other posts and read all that stuff in Russian about boiler commands connection to PC etc - very interesting. Have a question about your current setup - do you have a temp. sensor in your HW circulation circuit or it's just VR40...

Thanks for the tip, should timer be connected directly to pump and will it override main programmer settings or just add timed running time within time periods defined by Vaiilant timer-programmer?

Thanks, very clear! connection to PC and alternative controls and PIRs in bathrooms :lol: sound very interesting though.

Thanks Dan do you happen to know the exact model as i couldn't find specific details on their website. Is it UPS 15-50N like this one...

installer told me I need following for a secondary HW circuit: Non-return valve controller contact thermostat circulation pump It is ecotec 624 with unistor cylinder, both vaillant my understanding is i need brass or stainless steel circulation pump, grundfos or wilo would be the best...

thanks, all clear

Thanks very much advice secureiam! Already told them to be very careful with the wiring. Will I be able to disconnect it from power and power up again when work done (basically leaving power wire connected to the box but disconnecting on the other side from power source) in engineer mode or...

Hi All, builders currently working in the house and need to remove airing cupboard wall to which texecom panel (not the keypad) is attached. I have UDP code which enables engineer's menu, so thought i punch that in, open lid and remove panel from the wall without disconnecting from power...

Thanks Tony, definitely going for Valliant boiler+cylinder combo(not combi :) ), just trying to figure if I need weather compensation or not...

Thanks you all for your input guys, I am not getting combi :D . Wouldn't even dare after all those posts :) I set my mind on either Vailant 624 and Unistor cylinder or Veissmann 100W and Veissmann cylinder, but latter combination seems more expensive and from what I read here Vitodens 200...

thanks again Tony. Will see with them if they can put in 32mm pipe... Seems there is smoe sort of promotion on megaflo with 150 cashback from the manufacturer so making things a little easier. If i got it right megaflo has built in expansion system so no need for expansion vessel. maybe there...

Tony thanks very much for taking your time again to respond and give me advice. Even if I put in 32mm pipe from street valve to the house, the Thames water piece of pipe from communication pipe to street valve is 25mm so flow will be limited by that piece anyway? Not going to use 4 showers...

muggles, my boiler is Ideal FF340 or FF360. I don't know how old as it wa there when we moved in. It's quite noisy and I somehow have a feeling it won't last much longer, however must say it's been very good and reliable so far. I want to get rid of water tank in loft and want to run system...

The advice here was to replace supply pipe and text performance after it's done hence I am replacing the pipe... and I asked here about dynamic flow but have not seen anyone rushing to explain ... 25mm pipe is because TW has 25mm mdpe from communication pipe to my stopcock. Plumber also said...

Seems eveyone here hates combis especially storage ones lol... yes this was another option I was looking at but have not found much about combining combi with unvented cylinder - what are the benefits vs unvented system - never runs out of hot water? Will this be more complicated and...

Thanks secureiam, pm sent, at least I think I sent it :D

one shower, one bath+shower and downstairs WC house is 3 bed semi extended to 5 half of the ground floor will have underfloor heating. 2 adults + 2 kids there is a potential for loft conversion in future which would add one more shower room but this is not happening in nearest future if...

Thanks Dan. I am looking towards Viessmann now but could not find any reviews - seems not very popular in UK. Viessmann has 46L storage - almost 50L :D they have two models with 46L cylinder - 26kW and 35kW I figured that for my house I would need 30-35kW Veissmann rated heating output...

a little bump here... I am getting my supply pipe changed this week to 25mm mdpe and expecting flow rate improvement. Assuming I get decent flow rate with the new pipe I need to decide on a new boiler asap... Seems missus likes the idea of having hot water constantly so that kids could take...