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It should be at 1 as a minimum when cold but a max of 2.5 when hot.but it should not be getting above 2 really as normal running if on 1 when cold. when u take it up to 1 while switched off try all the upstairs air vents then pressure back to 1 then try running.

Can i just pik ya brains on these 155x. never had anything to do with them yet but they get a lota bad press on here, got a customer whos buying 2 x 3yrold houses to rent out & they both have these. Whats the script on service as both have no instuctions or history with them. I will need to...

99 % of balvalves on watermains are 1/2" & brass. take a good look & go get one .but not the best time to be doing it if you get out of ya depth. If brass it will be a part 1 or a part 2 as long as its the same it will be fine. buy a roll of ptfe if the tapconnector washer is shot at. if u get...

What type of clock/timer do u have .sounds as though thoug systems dead .you gota go back to the beginning & check the main 3amp fuse that protects the system. Fuse spur near clock or boiler maybe.

The cylinder is fed from bottom to push hot out of the top. the water that comes out last isnt as hot as what was in the top of the cylinder to start with as hot water layers . a 1/3 down is a bit excessive though. is it from a manufactures tapping or a bodged in fitting. may be a secondary circ...

It is a requirement now to zone a house of that size anyhow. very good if you spend a lot of time at home.(downstairs.) I would also consider seperate zones downstairs to try to acheive an area for daytime living rather than the whole downstairs after the extension.I would give the best possible...

When u say u changed the head of a mv do u mean u changed the syncron motor in a moterised valve head.What make of valve is it. if old or has ever had water in it .it may need a little oil to let it run better or there could be a fault with the micro switch. If u have changed the whole head it...

Sounds as if the pump is fed out of the cylinder lower down than the top outlet. maybe from an essex boss or a secondary circulation tapping. Quite normal instalation . 2 options get bigger cylinder or have ya shower 2nd.

Seems to be a difference of opinion on geo between Doitall & Agile .Can u both enlighten me on ya opinions. 2 weeks be fore Christmas 1 laid 1800m of ufh pipe in a barn thats havin a heat pump connected up to it by the supplier. I was only plumbing by numbers so what should we expect. Pipe at...

I fail to understand the statment made. The regulations on the requirement for compartment ventilation on a roomsealed appliance is not optional . so unless the MI say otherwise it is breach of that regulation, IF Baxis MIs for that boiler say otherwise then how can that not be an overule. R u...

If you are stuck for head room u could fit a calorifier (not sure on spelling) which is a cylinder made to lie down then the coldwater storage tank doesnt need to be as high if u feed it with 28mm

Mark i might be opening my self for abuse but tap straight in to the 22mm oulet on the cylinder & drop straight down into the pump & it'l be fine. But i would strongly recomend not going over the top but run the pipes under the floor if possible to reduce the isk of air locking. If you are...

TIS TRUE Baxi solo 2 has no need 4 compartment ventilation in contradiction to the regs on the subject,. 1 of many MI's instructions overuling the regulations.

u can use standard brass compression fittings & best use stainless inserts. thats a cheaper way & in my opinion better. still waiting 4 incoming to hit the fan though. Got a builder friend who thought he'd do a spota plumbing for fun on a job. used bret martin 3m lengths of 15mm plastic &...

Great on underfloor heating as for anything else i wont touch it but thats only my opinion & its the same as some & different to others. You pay ya money u take ya chance, Its like dog sh1t .its every where but it dont make it nice.

the one i move 18" ito a brick porch 3 yrs or so ago was under the recomendation of BG or Transco (cant remember which) which they gave in writing with all requirements. i wasent convinced with the customers word but as requested the paper work was forwarded to me & the contact ref for advice...

why cant you replace the leadall the way to where it terminates. If not there are compression type plastic couplings available .if using the McAlpine type u need to cut out the inner sleeve on the lead side with a stanley knife taking great care not to slip to get it to go on.

Yes u can put a system boiler in a loft u just have to take precautions against frost as if it were in a garage but it will have to be condensing. there are also requirements for good access,flooring & lighting for srvice & repairs. Its also a good idea to ask for a pressure gauge & filling loop...

gota read slower guys no mention of new rads just the new boiler in a new location, maybe the cheap guy no's nothing about condensing boilers & how much cleaning of the old system is required. Still coming across fitters who dont fit trvs to existing bedroom rads & no room stat.

depends on the situation but generally yes. iff u have a back boiler at present in a flat then u can replace but a proper scoring system needs to checked . supply more info