protection

why does my potterton pro max come on between timer settings

Ok, got a landlord who has a boiler in a outbuilding and wants to prevent the boiler from firing all night due to the internal frost protection activating at 5deg., heating all the pipes to 30deg. He wants to save on fuel consumption. I've had to install an electrical relay system but need to...

Just wondering how many of you ever have to fit/do maintenance work on sprinkler systems? I was reading today that the Welsh Assembly have decided all new builds (including domestic) are to be fitted with them. I think it's just in Wales. Made me think how many plumbers ever come across them?

Hi, Working on drawings for a new commercial kitchen and need some help. The original design needs to allow for 2 CAT5 water connections. There is also a wash hand basin in the area and a hose reel. Now if I bring the incoming mains into a type AA pumped break tank and then into an unvented...

Hi all Recently moved into a house with the above boiler in the garage. The previous owners had just had frost stats fitted, but the recent weather has meant the heating has been on all the time. To solve this i understand i need a pipe thermostat on the return wired in series with the frost...

Hi guys after a bit of advice regarding honeywell pipe stat's please. L641B 1012 HIGH LIMIT 40-95DEG L641B 1004 LOW LIMIT 0-40DEG The question is which one do you fit when installing a boiler in a garage ?

I read that the Sentinel 100X inhibitor protects the system up to minus 2.5deg C. Whilst the CH works as it should that is ok. What happens if the CH shuts down(a fault occurs) whilst we are away & when the temps plummet to minus 18deg C? Will the internal temp both above and below the...

Does anybody know if you can turn off or adjust the frost protection on a Vaillant Ecotec? All the pipeworks in doors with no chance of freezing, the boilers on the wall in the garage attached to the house and never gets below 2 degrees and the system has anti freeze in it so no chance of...

Hi all, i have a vaillant ecotec Plus boiler in my garage,now with the cold weather the frost protection is working, but i dont want it too,cant afford it,with temps of 5 and below the damn heating is running all day and night even tho the room temp is 19c what it should be and NOT requiring the...