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I disagree, the 15mm pipe will spurt higher. As the volume decreases, the pressure increases. And you will have a venturi effect on the smaller pipe at the inlet on the tank. As they are both under the same head of water, pressure at the outlet will be different due to the inverse...

Sorry for being picky but if a while ago he left it broke, how come a while ago you didn't tell him he'd left it broke and tell him to get his arse back to your house and fix it?

It is very rarely the domestic hot water heat exchanger, because the mains side is upto 10bar pressure, and the central heating side is upto 3bar, so normally mains water enters the heating, and not vice-versa. And I have had them go after 3 months, our water over here is completely different...

Your diaphragm has perished in the diverter valve. The bits of black are actually bits of black rubber, and is very common on the inter albion/giannoni diverter valves as used on this boiler and some others. You can get a service kit for £20 with the hot water diaphragm in it, however, they...

You could always stick a carrot in the hole in the big tank in the loft to stop it draining................................................................................

At least it will be easier to fit the cylinder in the back of your car to take it down the tat yard when it has imploded and shrunk to the size of a walnut.

Anyone thought to mention the thermocouple interrupter/main overheat stat???? Isn't it great when people call it a thermocoupler, just happen to shove an 'r' on the end!!!!!!!!! _____________________________________________________________ WBA to stop up! Come on you baggies!

Your gas valve has had it mate, normally affected by dampness, due to 1. rain in from flue and 2.leaking heat exchanger (Poor design due to water getting into gas valve via impulse/bundy tubes) Have you got power to your solenoids? During ignition process, use a 'magic pen', such as a volt...

Why don't you just change the head of the PRV Lost count how many Ive done, works everytime There is a knack to it, but is much easier than changing the complete lot Standard caleffi safety valve Just squeeze the head, close to where it screws into the brass body, squeeze tight onto the...

FAO Slugbabydotcom From your earlier message regarding powerflushing to BS 5449 does that mean you have to have a fireproof sign saying this is a powerflush? as that is what BS 5499 is, fire safety signs. Or is it BS 5440?, as far as I am aware, since when has a powerflush got anything to...

Noooooooo! You must set the balancing valve correctly to; a) correctly warm your cylinder and rads equally at the same time b) stop the water whizzing round your cylinder too quickly, hence, not heating as quickly. Water naturally takes the path of least resistance, and correctly...

You can change the syncrhon motor in the diverter valve m8. I believe its an ACL diverter valve, however, there is a screw on top that is awkward to get to, so, with a bit of force, the head of the diverter valve can be removed (light grey plastic cover) Or you can use an offset screwdriver...

Sounds to me like its piped in wrong, the new rads are working when you have hot water only selected, the return is probably coming off the return for the hot water, so when the ht water cylinder gets warmer, the nice warm water is whizzing around the new rads. Reverse Circulation...

There is a domestic hot water diaphragm that wears quite easily on these. On the left hand side, the diaphragm pushes a fulcrum arm, which in turn moves the diverter valve and makes a microswitch. Two options; A) Replace diaphragm (most desirable, 30 mins work) B) Adjust End of fulcrum...

needs a good clean out. The burner is probably slightly blocked, and is failing to cross light in time to the ignition probe, needs a proper service by a corgi engineer, if that fails, change the probes, investigate gas pressures etc.

blocked scale filter on cold to boiler (actually insdie boiler)

intermittent lockout is THE most common fault on a baxi barcelona. When first firing up; 1. Electrodes are prone to burning out, check and replace as necesarry. 2. Spark weak and intermittent, PCB has been modified to make the spark more reliable When running for more than a...

intermittent lockout is THE most common fault on a baxi barcelona. When first firing up; 1. Electrodes are prone to burning out, check and replace as necesarry. 2. Spark weak and intermittent, PCB has been modified to make the spark more reliable When running for more than a minute...

there is a new fan available to cure the problem of blowing the PCB fuse, common problem

Surveyors are not asbestos experts. You must have it tested first indpendently before the conclusion can be made that its asbestos. Contact your local council environment and health department and for a small fee (£35 in west midlands) they will sample the pipe and tell you what it is. There...