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hi hitachi, thanks! I went for the GYS 160a HF, it has post gas, slope up/dow, spot timer and pulsing. In the past ive bought good tools and they have always made learning easier plus i want to do nice looking welds. First question is gas flow. does the machine control it completely so i just...

i'd start from scratch. rebuild the lot. A bloke i know who does a lot of them reckons they need it after 30 + years. re laying the pipes is the the easier bit (1/200 fall i think)

Just got a welder (my first) its a HF dc tig inverter. Its french and didn't come with many instructions. Can anyone recomend a good book or website for beginner welders. i posted on a couple of welding forums but didn't get any response. any tips to get me going would help. I have a history...

cool - didn't know they were open today - Thanks :wink:

Does anyone know where i can get a new flange with wobbly bit - today? The owners won't have hot water till tuesday otherwise. Maybe someone can recommend a temporary fix to last the weekend/bankholiday?? Ta

Chrisr, anyone! Is it the bottom of the T that goes throught the hole? Cheers

cheers kev buti dunno what shape i'd neeed to bend it into...how does it grab it?

how can i replace the washer on an essex flange without the wire thing that you use to fit them? Cheers everyone!

Cool. Don't happen to know how far you can go in 4inch before you need to do a stub-stack with Air admitance valve? Cheers

Cool. Don't happen to know how far you can go in 4inch before you need to do a stub-stack with Air admitance valve? Cheers

Can someone tell me what the maximum allowed runs are for 32mm,40mm and 50mm for gravity waste, please. Also what are the flow capacitys. Basicly what are the rules on waste runs other than the fall. Ta.

prv located on exspansion vessel by megaflow. not the culprit.... thanks for your ideas everyone.

this would be a bit of a coincidence, but does the ch pressure drop when you run a hot tap???

Need more info. combi hw or cylinder

I thought about a leak - if it was really slow ("microleak"), the pressure wouldn't be dropping as quick as it is (from 2bar to 1bar 24 hours after topping up. If the system is loosing that much water, that quickly your bound to see something.....I dunno. If it was an exspansion prob would't it...

how could the coil be leaking cos the pressure inside the tank is greater (3bar)than the CH (2bar) hmmm

Hello all! Central heating (sealed system) loses pressure. I can't find any leaks so... could it be the indirect megaflow? Can't get the customer to leave the hot water alone long enough to eliminate it that way - besides wouldn't the CH and megaflow balance themselves if they had become one...

Have you checked the fuse?

I assemble wastes and overflows with silicone and they never let-by