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Hi all, Just wondered how many people knew about performing an 'ambient air assessment'. I came across this with my engineer today, never heard anything about this in college. We had readings of between 80 and 150ppm every min, appliance was ID.

Hi all, Is it possible (has anyone tried) to combine a gravity fed system (tank in attic) together with the mains. Basically by passing the tank though putting a non return valve on the outlet of the tank. This I hope will add the pressure of water up to the mains pressure without need...

House 7 rads upstairs 7 downstairs. Cannot drain downstairs rads for some reason. All work as per normal, wanted to replace one rad for a larger but cannot simply replace as the rad valve broken, anyway thats besides the point, why can I not get the downstairs to bleed. I have opened all the...

Hi, I have a major issue with my hot water pressure. The 2 showers cannot get enough hot water and struggle. The taps in the en-suite and bathroom reduce output when i run them. However, if I lower the shower head in the bathroom the feed seems to improve, and the tap in the en-suite reduces...

Hi Folks, I've got a leaking cylinder. It is gravity fed. Do i need the heat exchanger to be 28mm?? If yes, are they easy to get hold off? I understand screwfix cylinders are for pump fed systems only - i assume this is becuase the heat exhchangers are narrower pipe? I'm still trying to find...

WTF just found out that last years group all failed the exam, so my college has a 0% pass rate! From what i hear a lot of the questions in the exam were not in the revision books followed by the course. Surely all the questions would be in the Viper or Corgi?. I just dont understand how no one...

hello ive had a water leak at my house and ive been told by my insurance company that its a invalid claim, because they say its graduall. can someone answer me this question..... is it possible to have a leak and not notice until the leak gets bigger or bursts and causes damage . thanks...

pricing a job for moving a cylinder into an attic for a builder and they want to keep the old cylinder its a bit mad, i would as a plumber want to install a mains cylinder. now i just a a question what is the min distance between the cold water storage tank and the top of the hot water cylinder

Hi, I've recently had some building work done during which three new 'double radiator/double convector' were installed. There are four radiators downstairs altogether. When the heating is switched on all the radiators are hot, however, after a while two of the new radiators go cold and one...

Hi, I've got a very old Glow-worm 92/100 boiler which is gravity fed indirect (it must be 30-40 years old. Having had a leak from an old galvenised F&E tank for a year finally got around to replacing it (and not a moment too soon as it had gone literally paper thin). Refilled primary and no HW...

Hi All, Can Anyone help me with a wiring problem. I have a gravity fed hot water system with pumped central heating. Problem is no matter when the hot water on by itself the radiators are also on. My boiler is a potterton flamingo RS35-50 in the kitchen. The wiring is a complete hash of terminal...

The situation is thus: Customer has changed LPG boiler to a woodburner. Fancy shower set-up in bathroom. Woodburner is obviously not set to heat the cylinder no higher than 65 degrees. Shower pump and mixer not designed to take water higher than 65 degrees. I need some device to mix the hot...

I am just about to install a multifuel boiler stove to feed the central heating. I intend to utilize the existing 1" pipework from a recently removed back boiler that runs up to the hot water cylinder and TEE off for the rads with 1/1/4" down to 3/4" and finally 1/2". I could do with general...

does anyone have a red or blue pill like in the Matrix film lol i feel my pills are always headache tablets ;) role on weekend and its only monday!

Hi all Just moved into a house and out of several things the wife complained about was that there were seperate taps for HOT and COLD in the bathroom sink. She wanted a MIXER instead and she gets what she wants. The basin HOT water tap is gravity fed but the mixer shower valve is pump fed...

hi all :) i am fitting a mixer shower in a bathroom wich is fed from a cold water tank in the loft tho i want to know how much presure i will get out of the shower and will it be any good? the storage tank in loft is or will be about a 2 meters above the hight of the shower head.?

Hey all, Basically I’m 20 years old have a btec in construction and am currently doing a hnc in building service training to be a contracts manager. Yet I don’t think the office is for me! i would like to become a gas/ heating engineer but don’t know how i would become this without starting from...