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Thanks for that I had read that somewhere else. I've got 2 to put in, I will then put 2 inhibitor in again when drained and flushed, I have always dosed with 2 inhibitors perviously, good advice.

I was getting a noise when the boiler was on full flame, initial start up until water temp reached or if high demand, shower running heating on. It sounded worse if I slowed the circulation pump down and slightly better when I turned it up, sounded like a rumbling but only when on full flame...

Yeah I understand the f&e is on top was just putting as much detail into post as possible. Reason for asking is I've been advised to flush my system with sentinel x400 and it says on bottle can be used on all indirect systems. Wasn't sure if that meant you couldn't use it on direct systems?

I have a 180l flowmax thermal store on my first floor, water heated by my boiler on the ground floor and returned to storage where it is also used to heat radiators when required and provide mains pressure hot water via an internal coil and blender valve, open vented system. I've read lots of...

Thanks for all your help and advice, much appreciated,I'll give them a ring.

I currently have the hotwater set to come on before the heating so that wouldn't be a problem only issue would be if someone tried to boost the ch and hotwater hadn't been on I'll look for a like for like, do you think the Honeywell rf2 is no good then ?

Screwfix have a Drayton MT710R9K09SX programmer and mistat wireless thermostat with £40 off @ £103 now says suitable for gravity fed and full pumped systems? Looks like only single channel.

Thanks I'll check it out, great help cheers.

Thanks for the reply, I was assuming the pictures I attached would explain my system, here goes! My current setup was in the house from new. I have a 180ltr tank containing primary water heated by the boiler circulated via a pump, this water is fed round the heating system via a second pump...

Getting new kitchen fitted going to move current programmer Landis & Gyr to different location so thought would take opportunity to replace it and current roomstat, which is in totally the wrong place with new one and wireless stat. The system I have is in the pictures included and wondered if...

Cheers guys think I've sorted it now but explanations helped.

Can anyone please shed some light on the following? When my cameras are set to day n night auto my sub menu has anti-sat, AGC-margin, AGC-threshold settings but I'm not sure how each differs.

Without sounding stupid why is the same recording so much better on the app as it's still coming off the dvr?

Cheers I have a look.

That seems to make sense I'll have a look at the settings, any pointers as to what to look for or change? Thanks for the reply.

My cctv cameras are connected to a recorder which is connected to my tv via hdmi for viewing. The tv is a 47" lcd so I expect a little image loss when viewing the footage in full screen but I don't understand why snap shots and playback taken off the recorder to memory stick and viewed back on...

Poor on the TV using dvr too. I have it connected via hdmi to 47" lcd TV and thought it was down to the screen size.Snap shots and play back poor from dvr, live is marginally better. Anything still is very clear, reg plates etc but movement day and night is not good.

Even better, cheers.

Got home last night, had a look at my options and my son's bedroom has a socket on the internal wall that backs on to a cupboard. Spur off that to switched fused spare with cable exit, inside cupboard,1.5mm2 tacked up architrave into loft and across to light, bit extra cable required but seems...

One thing I will say when viewed through the app on my phone or Ipad image looks better but if I upload from dvr to memory stick playback on pc is poor? Facial recognition would be difficult?