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the programable roomstat is battery operated (3yrs from original battery according to danfoss) can be placed almost anywhere. base station will replace your current programmer. Always test the room stat in position before you fix it to the wall (it usually takes 10s or so to establish a signal)...

if you do go RF route would recomend danfoss everytime

a typical "builder" knows very little about everything and f all about specifics. trvs can make noise but moving pipes are first culprit everytime

switch off the boiler, disconnect the filling loop if still connected or at least ensure valves on loop are shut, some systems auto refill if you fail to do this,then drain as any other system look for drain off above boiler if there is one drain this first then from drain offs downstairs etc...

it only works well if you drain and refill the system with "clean" water first. I usually inject into drained down system then refill. best to leave it for about a week if your system is old and clogged up . Just run the heating as normal then drain down as before adding protector when you...

no offence mate but you sound a long way from being ready to go on your own. Judging the aggro factor of each job is the key to getting the price right you might get people chewing your arm off cause you priced too low but you'll soon get naffed off with work where yyou didnt judge the aggro...

the toilets are unlikely to suffer induced siphonage to the extent of loss of seal because their outlet to ths stack rarely runs full of water. As for wash basins you can get bottle traps with integral air admittance valves. if you want to put air admittance valves in the discharge pipe work to...

If it is this try using a small drain auger down the feed pipe (failing that a metal coat hanger) to break up any blockage if it works you'll need to flush the system later to get everything out of the system. Like i said I've only seen it once the only way to be sure is to cut the pipe so...

Take it its John Guest in that case it must be wet tested. if my memory serves me JG say 10 minutes at 2 bar and then 10 minutes at 10 bar. Its usually reliable if installed correctly ie square cut, pipe inserts, pipe pused up tp stops etc twist and lock turned to lock pipe

long shot but have encountered this once before: all the sediment etc in bottom of feed and expansion tank was drawn in to the feed pipe and blocked it preventing system refilling! You should have been able to hear water filling the system if you didnt this might be your culprit

plumbers mate is anything but. That stuff sticks to everything but the place you want it to go besides which it's far from ideal in this situation. Decent bead of silicone will do the trick wipe the excess straight away with CLEAN cloth dipped in white spirit, give the selant a day if you can to...

try aqualisa on monday they know their onions. Have fitted 10 quartzs without any problems in last few months

Anything can be changed for the right price! Take it the installer powerflushed your old pipework before commisioning the system? 8mm has been and is used successfully all over the country, in this case if it aint broke dont fix it!

As the man says start again and this time use solvent weld fittings much less likely to ever leak if done correctly MOD edited to correct quote :wink:

Mixer showers should have thier own dedicated supply from the hot water cylinder cant guarentee that will solve your problem but you asked where you were going wrong!

recently fitted similar we installed a phone socket behind the enclosure (you require a special gpo punch tool to do this effectively) and plugged straight in. the unit we installed had it's own extraction and the room also had a decent extractor fan as well. So far customer hasnt experienced...

"sticks like sh*t" does exactly what it says on the tube. Been using it with much success the past year or so

If the boiler is in a kitchen/bathroom then you need to have the electrics certified to part p if you do not qualify as a competent person. Look up part p on search engines to point you in right direction

osmagold= pushfit

as i said ignorance isnt bliss dont need the hassle of doing anything dodgy just using a new gas guy and want to know what can be done and the depth of their knowledge and using this to advise client(who but the way has just been taken for £23k by a rip off merchant)