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Ah, not old enough? There are no records of it anywhere. The stamped in bits read Model:A and NoD419. I assume it was scrapped as a size in favour of the 15 60 or the 20 60. You are reading my last post wrong. The gate valves have always been fully open less a half turn or so. I felt I needed to...

Too many other things on in the no-rain warm days. Anyway, in terms of progress on this, I made a suitable spanner to shift the gate valve nuts. Band sawed the sides and chain drilled the two angles in a 1/2" thick piece of steel that enabled me to get in with a hammer. I don't know the correct...

Surprised that the muck possibility has not reared its head before, so I need to clear that up. Fact is there was some rust evident on the sides of the header tank when I first started looking at this and rust in all the circulating water, which would have contained some Fernox, but it would...

Thank you Johntheo5. Sound advice about the gate valves that I had not considered. Original pump was a Grundfos Super Selectric and I should have said that along with the UPS in its description. As explained at the start, I checked the dimensions of that pump/impeller against the one it...

Well, I got it wrong. I bought a pump head labelled UPSO15-60 CESA02 with higher wattage rating from a boiler parts company having just asked about the 4-hole spacing and told it would fit, which it did. All such pumps are sold showing just a front view of the pump and non of them show the...

I am not particularly looking for a non-Grundfos one, just trying to make sense of the market as to what is available. Lots of pump heads but no dimensions and no connection details. The existing pump just seemed to stop trying at the end of the winter and I suspected a blockage. Turns out the...

I need a replacement pump head for a Grundfos 15/60-130 3 speed central heating system. Can I assume that the various manufacturers replacements all conform to the same 4 Allen screw fixing dimensions of about 80mm spacing? I am confused by the various letters applied to the part names that have...

I have just pensioned off this washing machine. Stripped out the electronics and ditched the rusty - no longer economic to repair - mechanicals. It had/has a fairly recent replacement 750W motor with two variable speed ranges and I would like to re-use it on a milling machine or lathe with...

Well I am glad I don't live in Hertfordshire or Potters Bar just to single out a couple of disagreeable people that joined in. My valve is changed (within 24 hrs of me ringing them) by an excellent company who of course did all their own basic checks before agreeing with me on the fault. I did...

Just for the record and those who are clearly in the trade. I never put any restriction on cost or what I expected to pay and none of those involved attempted to advise me of their likely costs. I also made it clear that I do not touch the gas pipe side of things, which should be obvious as am...

No offense, but I find that an innocent reply. I originally posted this on "Trade Talk" but got moved and lost a reply from TonyW2. Just to set the picture, I am an ex engineer in electronic control systems mainly in the electrical industry and power stations. I help anyone though asks, but...

I have a 30 year old Ideal Mexico boiler needing a replacement Honeywell valve V4600A 1023 2. No one seems interested in coming to fit one. I explain the fault and say I don't want someone to come along and say I need a new boiler. Am I asking too much? The fault is that the magnetic hold coil...