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Wish I hadn't start this query off with words to the effect - "Here's an easy one ..." Thanks for all the above. Thermalite blocks bought were the basis type - Shield sounds familiar (but i will check and advise). Following advice given, I have simply used up the blocks to form a firm (ish)...

Thanks ever so much for this information. Hope I can save some of the work. I'm actually a bit behind schedule with the work so all the beds did not get built this week. As such will try to go for the concrete type of blocks recommended above or maybe even brickwork. I already have the...

Hopefully a simple one for those of you in the know. I have a few small raised beds in the garden made of thermalite aerated breeze blocks (max of 2 high). I am hoping to render them. My question is how eg type of mix - presuming 1 cement to 6 sharp sand with PVA or rendamix in it. Will apply...

Hope this may help : Drill holes yes, fill with glyphosate (available Homebase and maybe B&Q). Glyphosate is a killer that is absorbed by plant (normally thro' leaves) and kills the plant. This should work over time. Should not contaminate the soil. Advice given in good faith only...

Hi there, be warned I speak from personnal experience only. Have Puma 60 and recently had fan failure. Simplky look at fins when boiler is on and they should be running. If not its relatively easy to replace. I bought a reconditioned one for half price. Should really make sure there is 240V to...

Hi there, be warned I am no expert on this and only answer from my own experiences. I often used to get light blowing out on Puma (and indeed other boilers). I would intially suggest 2 possible areas to look at : Thermocouple - the copper / bronze bit heat up element to the side of the...

Summary of findings / solution : Pump - this was replaced but found NOT to be the problem. Had I known, operation of pump can be checked by undoing end cap and pulling bolt out slightly and then turning system on. Spindle should rotate. This says pump is working (unless of course its impellor...

Thanks guys. From breezer's experience I picked up a pump this morning. Will check it out this evening and advise. If that doesn't work then yes surely it's got to be the divertor valve assembly. Thanks again, I'll let you know how I get on (hopefully tomorrow ...)

Wonder if anyone can help : I have a Potterton Puma 80 (Perm pilot). Essentially boiler seems to work fine on the operational and hot water circuit but radiators do not warm up. Had been fine and only occurred yesterday. Have read previous discussion (eg breezer) who had similer problems but...