>> How does the boiler know when there is no longer any demand for heat? Just
>> the boiler temp?
Yes, there don't seem to be any rads without TV's. I keep them all open anyway, trying to regulate the temperature with them is hopeless and far too complicated, perhaps because half of them are stuck. I have the boiler stat on minimum and it's plenty hot enough.
>> My boiler is an ancient Potterton Netaheat. Damn good boilers and worth keeping until spares
>> get scarce according to the last guy who serviced it.
This is a Mk II F 10-16. The landlord's tame plumber says he won't take it apart but he tests and certifies it. I've made sure there is a CO detector and I test it. I think it will just conk out and then get replaced within a year or two.
Every now and then it stops firing for no obvious reason. I just turn off the power, leave it for 10 minutes and then it works. The plumber can't find the reason.
The kitchen window leaks air so badly that there's probably enough ventilation just from that.
It sounds terrible but actually it's just a 60's semi in a quiet cul de sac that probably hasn't been updated for 30 years or more. It's a fairly warm house with decent sized rooms and we like living here as long as it's temporary! It's just generally worn out and due for a good refurb, and I think a lot of rental properties are probably in this category - things get mended when they break.
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