I am of the opinion that those things are a complete waste of time & money.
Others will no doubt disagree.
Possibly a bypass problem, if you have one.
Can't see that being a problem at all, as long as the access is good for maintenance/repair.
Don't forget to make the return from the cylinder the...
Boiler make, model?
Maybe PCB fault
Sounds like your boiler has COPD
Most likely a zone valve fault, you'll need to find them and see if they're opening correctly, one will be for upstairs, one down. They may be...
I'm sure others will correct me, but I was told it doesn't matter because the shallow fall of a bath, combined with its large surface area, means...
It should be precharged to around 1 Bar, this must be done with either PRV open, or a drain open so that it's not trying to pressurise the heating...
A copper elbow soldered would look so much neater.
Don't forget to cater for freezing weather.
Tell him you're thinking of asking Gas safe to inspect his install, he may suddenly become a little more accommodating
I'd say you have 2 chances, either it'll come off with loads of wriggling/pulling , or it won't; if it doesn't, then bin it and get a replacement.
Take the head off the other one to see if the spindle moves easily.
Quite likely that the microswitch is stuck closed in the actuator, this can be...
It would help if OP told us make & model of boiler, we'd know then what a service entails.
Sounds as though the expansion vessel needs recharging.
Probably in the bin if nothing's leaking
I've done 2 today, both Worcester boiler, part is around £100, dead easy job as long as iso valves work on boiler, and drain valve doesn't leak...
You need someone with a G3 ticket to look at it for you.
You may want to turn the preheat off too (left hand knob), it'll save you gas.
Wouldn't it have been much easier to siphon water out of a heated towel rail and replace with inhibitor?
Some people make such hard work for...
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