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Hi guys House we've moved in to had a conservatory built over the existing vent four years ago! :shock: We have a Potterton Housewarmer BBU and firefront. What size vent would I need to fit into the conservatory dwarf wall to comply with legislation, please? Segment from Potterton...

Our CH pipes are set in the concrete floor. Taken up vinyl and carpet. Does the green indicate anything to worry about? Regards UF

Hi Looking to box-in some pipes (15mm) in a kitchen. Ply looks sh1te. Please could someone guide me to an on-line stockist or recommend something aesthetically pleasing? :wink: Not the tacky plastic that the local council use. :roll: Googled: pipe casements pipe casing box-in...

Hi Recently moved into a 1968 Dormer in N.Wales Vented tank system, gravity DHW pumped CH, no valves, no cyl stat, ACL SM400 prog. The system runs off a Potterton BBU, gas. Obviously it's a dated unit. Can anyone share experience on this BBU? Is it pretty reliable, assuming...

As a spark with diy plumbing experience I find myself penning differing layouts and control of wet central heating systems... just out of boredom and as I've been doing a little DIY in my previous home and now in this new one. We currently have a gravity DHW pumped CH vented system off a BBU...

Hi guys A little help required before I delve into this. We've just moved into this dormer. The electrics are something from Wyatt Earps era... spurs, spitoons and lassoos(?), etc... Right. The hall has a single rose and two light switches, one either end. When switch one is put on...

Hi y'all Potterton Homewarmer gas BBU: gravity DHW / pumped CH Switchmaster SM400 Programmer We have two Satchwell room stats; a 'TL 25' is in the living room where the BBU and Potterton Homewarmer Legend fire is and no radiator. The other is a 'TL 25T' and is in the hall where...

Aint she pretty! Can anyone make out the size of the incomer tails? 10 or 16mm? 6mm tails off to shower's 30A RCBO... no isolation. Pretty JB in attic; spurs off to sockets with spurs upon spurs! Should keep me busy. This 2bed semi was built in 1968. Would this stranded T&E date...

What's this tacky gloopy-looking drool? :shock: (Also, is this TN-S? :oops: )

Seeking "the scruff" Desperately need your assistance please. Regards

Hi all I'm lead to believe flat roofs are to be re-felted every 10 years or so. What are the tell-tale signs of when it needs doing... other than when there's puddles below it? Does a dormer get re-insulated at the same time? Is there an alternative to felting... such as lead...

Hi guys/gals I know very little (read jack$hit) about insulating attics/roofs. The trusses(?) in this pic are approx 450mm apart. I'm looking to fit insulating boards... or anything recommended...

Looking to move into a resale dormer bungalow in North Wales built 1970. CH + DHW system made up of gas back-boiler (sorry, no details), vented indirect cylinder and C-plan arrangement with what appears to be a single pipe CH circuit! (... World copper shortage...) Switchmaster mech...

There's a local heating offer for £2k+vat supplied and fitted; 80,000btu Sabre combi (probably model less than 25 HE) 7 rads of size choice 7 pairs rad valves Built-in time clock Filling loop Tubing Addition boilers; Sabre 25 HE (+£100) Sabre 29 HE (+£150) Potterton Performa 24...

Hi I've just modded my CH by adding upstairs rads to the existing circuit. Now I've had a couple of 'leakers' on 22mm Yorkshire fittings. Obviously I've not heated them enough on the bottom of the fittings. I repaired these by replacing with end-feed fittings. It's a different story...

Just been asked; :oops: Can you fill in new chases with PolyFilla... does it affect PVC t&e? Thanks in advance. UF

Hi guys We live in a semi circa 1950s, with a chimney breast between the two homes. This chimney is 1600mm wide x 500 and redundant. Q... can I sink a 25mm deep backbox into this for a socket outlet? (There is a vent 300mm to the left of my proposed location) Regards Useless ****

It's been a while since I last posted; April 05 (ish) Let me introduce myself a little; I'm an electrical maintenance engineer at a major beverage producer from Ireland which is packaged in England yet I live in Wales so just missing a Scottish link. I've done house-bashing, predominantly...

It is permitted that 1.5sq.mm cable can be used to spur off a ringmain. You cannot spur off a spur unless the original spur is from the load side of a 13a FCU. This 1.5sq.mm is protected by the ringmain fuse of 32amps yet the ccc of the cable is approx. 17-20amps. This spur feeds a twin...

If it has now become illegal to do DIY electrical work in residential dwellings, so why are B&Q, Homebase, etc... still selling electrical components? Why doesn't the Government make BS7671 law? I am a qualified Maintenance electrician and carry out "foreigners" quite regularly. I am...