overheat

Hi I would be grateful if someone could explain when a low limit and high limit stat works. Are they only on CH and do the replace the thermistor and overheat stat? Many thanks

just taken delivery of a htc desire smartphone and wondererd if any of you guys know of any plumbing apps that may be of use to install on me phone!!!

Dementia test Our Yearly Dementia Test It's that time of year for us to take our annual senior plumbing test. Exercise of the brain is as important as exercise of the muscles. As we grow older, it's important to keep mentally alert. If you don't use it, you lose it...

Hi, Ive a query regarding 4 year old Ravenheat HE85T combi boiler, this is very similar to CSI85T for those who know this boiler. The boiler has had new CH and DHW thermistors 2 or 3 times during its life so far along with ignition PCBs replaced 3 times. The boiler is currently giving issues...

Is it possible when installing a new combi to replace a BBU to cap off the F&R at combi boiler so customer has hot water if the job takes longer than estimated? or would this cause damage to boiler?....never done it before, cap off that is, just wondering if it wer possible to do...

HI I used a very small gas torch to soldering 2 of 22mm copper water pipes on copper tee (22mmX22mmX15mm) successfuly few days ago. Now I need soldering a copper drain cock on 15mm end of the tee. For some reason I unable finish the job. I think is because the gas torch is too small. So...

Hi all i have had a baxi 105e for 3 year changed out 2 dhw diaphragm with no problems then i received a gas that was 3x more then usual I went to check the boiler and found that the hot water was running continual and the taps where off. I then remove the DHW diaphragm clean and greased plungers...

Hi everyone. Figured this would be worth a shot. Ill explain it like im 5 years old. I have cold water, it runs and runs no problem what so ever. The hot water tap runs (and hot water will eventually come out as normal) but it only runs for 30 seconds. Begins running on normal pressure, 10...

Hi there all... Im having a problem with the fore-mentioned boiler... Firstly, I was called to a customers house who had a overheat problem... Having realised the high limit stat sited on the side of the fan unit was breaking continuity I sought advice from baxi tech (as I had no previous...

hi i have had a saunier duval combi boiler for about 6 years. i have recently had nearly all of the parts changed because the heating was only running at 44 degrees and i still have the problem. the hot water is fine its just the heating side of it. my plumber has now give up trying to solve the...

Hey, Problem: Solid fuel stove is boiling and causing a racket. It has a gravity circuit 28mm. It seems to circulate fine with a very light fire. But once the draughts are opened it just overheats. The gravity flow rises all the way to the attic{two story house}, crosses horizontally for two...

I am an installer, who has been asked to repair a friends boiler. Initially, primary flow pin on diverter wasn't lifting & APS wasn't making, so changed diaphragm & APS, followed by complete diverter valve, only to discover that despite the pump rotor spinning (and heat being dissipated)...

Hi guys. Just encountered a problem on a gloworm 30ci which I have not encountered before. I'm pretty sure I know what the problem is but would like your opinion. Boiler lost pressure. Tried to fill but pressure drops back to about .6bar on each attempt. managed to get it to hold at .8bar...

Hi, Has anyone got any experience with this boiler? Called out to one this afternoon, it is basically 'hunting'. Fan runs, then stops, runs and stops etc. Never gets to ignition stage. I went through there fault finding guide and everything pointed to PCB, but I thought I'd ring there tech...

Just been asked to look at one of these at our village pub- not heating the water up. Just wondered if anyone had an experience. it is one of the auto fill type. The light comes on but no voltage across the element. Any ideas? Could it be the thermocouple? Will phone Marco on Tuesday if I...

Hi My glow worm boiler has been a trusty servant keeping us cosy through many cold winters but it is probably coming to the end of its life now (its about 15yrs old). I was hoping it would see me through until the summer when the weather is warmer and I will be off work, but it went out about a...

Boiler not firing up on demand there is 1 neon light on went through the checks to test if there was 240v and ok tested the fan and there was a ohms resistance of 65 ohms turned on the demand and checked if there was 240v at the fan and it was 0 checked back at the board and it was 0 on the...

hi there, have a bit of a problem with a baxi 80 eco combi, i replaced the PCB as this is what i believed to be the initial problem, fired the boiler it ran for half a minute before popping both the 3a fuse in the spur then the 2a quick blow. so i called baxi tech (heat team) and they inform...

Hi, I have noticed that the suprima 30 kw boiler has 22 mm coming out of the top, but the plumber when connected to it increased the pipe size to 28mm pipe? Im just wondering why didnt the manuracturer just have 28mm coming out in the first place? Are there any other boilers where this...

Hi all again, Followed the fault procedure for my Halstead Ace boiler and the flow chart said replace PCB - Just done that! made all adjustments but boiler still refused to fire up - any ideas anyone?