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Hello We came back from a 7 day Easter breast recently, and the hot water was no way near as hot as normal eg. in the morning when Eco 7 has been used over night so water usually v hot. Could this be due to thermostat being fooled somehow that water is warmer than it actually is, so cutting...

Hello We have an old Megaflo cylinder. We are not sure which one of the twist valves is the air release valve (used for recharging the air bubble). I have previously used the blue one (nearest to camera), but am now not sure if it may actually be the larger black further back in the attached...

Hello I've followed instructions (from various sources, all pretty similar). When I open the pressure release valve (after turning off main stopcock and draining tank with lowest hot tap in the house), it hisses for about 15 secs but no water drains through the tundish. Is this normal or do I...

Hello We recently had the CH system in our (large-ish) old Victorian house converted from open to closed system. I have noticed that the pressure gauge (next to small red metal tank which was added as part of change) often falls below red warning needle (set at 1 bar) when heating is off...

Good morning I have some concerns about one of the chimneys on our Victorian detached house (built c1860). There is a lean (also noted on the survey when we purchased the property in 2016). I've attached some current pictures (along with one from the previous survey). Should we be concerned...

Hello We have an old megaflo - moved into the property summer last year. Have had the airbubble recharged (once after moving in & just recently - however it is something I will attempt myself next time pressure drops / tundish drips as seems straightforward). However the water temp is not...

Hello I have Potterton Suprima 50L c2003, which has had the PCB replaced by Potterton as per known fault. Generally been pretty reliable but recently cut out a couple of times. No obvious error code and restarted OK. Got engineer out (HES cover) to check out, and he found valve screw on top...

Hi I have what I believe is an open system - header tank / cold water storage tank, "conventional" boiler & separate hot water tank. The header tank is inside the storage tank I think (? space saving as system all in attic). One plumber mentioned to me that it would be a good idea to...

Hello I have a 10 year old Potterton Suprima 50L which, apart from replaced noisy fan & PCB replacement, has worked OK. I've never had it serviced. Should I get this done ? Does it normally include adding anti-corrosion / anti noise agents to system ? It has also never been power...

Hi My timer started flaking out last week - flickering on & off, and boiler responding likewise. Now the timer is completely dead - and no lights on boiler. If timer unit has gone, would this normally kill power to boiler as well ?

Sorry - really basic question. How do I remove & replace this door handle ? Thanks

Hi I have an old Showerforce 1000XM, connected to hot/cold feeds from the attic immediately above the bathroom. There is white switch just next to the attic hatch labelled "Isolation", and has a small picture of a fan on it. Occasionally (usually after sustained use), the shower trips...

Hi I have a Marbo Dimmer Triple 2 way mains voltage 250W switch in my lounge. I bought this as a replacement for previous dimmer, which was broken (although I still have this). Unfortunately the variable resistor fuses (if this is the correct interpretation) are quite sensitive - a bulb...

Hi This is a really basic question. There is a drainage tap on my downstairs radiator, which I wish to use in order to add some Sentinel X100 & X200 to the CH system. It has a small square bolt protruding from the side (looks as though a key should fit it, but my radiator bleed key is...

Hi I had an isolated lockout a couple of weeks ago. Heatteam came but found no problem. Since their visit something strange has been happening. Sometimes the heating doesn't work properly - the orange light is on continuously (just means boiler on & receiving mains supply as far as I...

Hi I had a visit from a HeatTeam engineer today to check my Potterton Suprima 50 L (due to isolated lockout last week). She ran some tests but said it seemed OK. However this evening I notice the rads are warm when hot water (NOT heating) is on ! This doesn't seem right - can someone...

Hi I inherited a 2004 Suprima after moving house in 2008. After a few lockouts I got Potterton to replace the PCB (free as it was one of the old dodgy PCBs). It's behaved itself reasonably well since. I did have a noisy fan replaced in 2010 - and another lockout was investigated at...

Hi I have an 8 year old Potterton 50 Suprima, which makes (what I perceive to be) bubbling/kettle-like noises. I'm assuming this might be "kettling". The boiler has been OK (had free manufacturer-instigated PCB change in 2008, and noisy fan change/thermostat replacement/inhibitor X400...

Hi I'm a complete novice with respect to building / extensions. I have a 3 bed dormer style house (with 1st floor rooms having dormer style windows, sticking out of the roof tiles). There is room to extend at the back, and possibly to one side (by a few feet). Is it possible /...

Hi I moved into my house 3 years ago. The kitchen has those 12v halogen spots - the ones flush with ceiling & spring clip to release the bulb. One of them is very temperamental - it works for a bit, then goes dead. If I wiggle it in the connector it works again e.g. push it all the...