Recent content by ColinYounger

Folks, I know this thread is old, but I have a Grundfos Selectric 4 (4-50/130) which isn't working anymore. I'd like to replace it, but want to make sure I get the right thing. I've tried using the Grundfos website to look for replacements, but it wasn't much help. Know a lot more about...

Great - thanks! Your phrasing is interesting , though; is there a special type of timer that is required, or is it a 'bog standard' timer?

Further to this topic, I have a very old Switchmaster SM300 controlling the heating, and just below a simple on-off switch to control the immersion heater. Both are on 3amp fuses. Hot Water 24-7 sounds fun, but isn't when the Leccy bill comes in. :( Is it posible to convert these two...

OK - having sat by the boiler for a while, I can hear the same gurgling as in one radiator (bet that's the first on the circuit). Another (related) question; reducing the flow from the pump - does that make the further away radiators colder?

The subject says it all really: Moved into a new house, and the heating gurgles on ONE radiator, and whooshes on SOME others. I'm guessing an airlock and having read the various bits and bobs here, I will bleed. However, being a pessimist I'm wondering if there's anything else that I can...

I have a radiator that is cold, and I have bled it - cold, clear water comes through and hot water starts coming through the non-"thermostat" end. However, radiator still goes cold eventually! If I shut off the non-thermostat end, no water comes out at all. A friend leads me to believe that...