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I fitted the replacement cartridge and it worked fine after that. 6 Months later it started having the same problem. I was busy at the time and the customer got another plumber in who rang me 'cos he didn't know what to do about it. It could be that these cartridges are $h!te (fitted one...

A H A !!! A is at the top. First of all I must point out that it wasn't me that fitted it! It was fitted by some geezer sent by my Bank accounts free household insurance. Should have just changed the old one myself considering how long I waited for the bloke to turn up! Only reason I...

Yes, yes and yes. The bypass is an auto bypass valve that is set to just open when the pump overrun is operational but all 3 motorised valves are closed (2 CH zones). I don't want to open the bypass too much - a common cause of CH circulation issues. The valve is probably the right way...

Measure mains (cold) pressure with a pressure gauge - usually comes with a 3/4" female BSP connector you can put onto a washing machine valve or garden tap thread. The pressure from the hot water header tank can be estimated by measuring the height between the shower head and the top of the...

The rads furthest from the boiler were taking a little long to warm up. There are 14 radiators in a large house being pumped by the 15-60, so it needs setting 3 really. Also there has been an issue with air in the system, even after converting to a sealed system last years. Setting 3 has...

Only on a gas cooker in an Indian restaurant.

This particular iron has a 2200 Watts element able to drive 40g/min constant steam output, 90g/min shot of steam/vertical steam. There is a 350ml water tank capacity, an integrated scale cleaner, extra calc-clean system, drip stop system and 2.4m cord length.

Toshers were the sewer scavengers, not painters. Maybe they used Toshers to do painting when they weren't in the sewers.

Tosher A tosher is someone who scavenges in the sewers, especially in London during the Victorian era.The word tosher was also used to describe the thieves who stripped valuable copper from the hulls of ships moored along the Thames. [1] The former activity began around the time of the...

Microswitch is ok - as I said, the pump switches off when the valve starts to close, but if the CH valve is open at the same time, the pump will not stop pumping when the DHW valve is closed because there is still a call for heat from the room stat keeping the microswitch in the CH valve closed...

You didn't specify the make and model of the iron in picture 2. That electrical junction box shouldn't be on the floor - best attach to the wall in case of a leak.

G'day folks, I recently upped the speed on my Grundfoss 15-60 to setting 3 and the CH works like a dream now, even with it being a little noisier when the pump is running. But now the problem is: If the CH is running and the 2 port valve to the DHW cylinder closes (when the cylinder stat...

How many kW is the immersion?? You can heat your house with 3kW? Or do you have 3 phase going into it??

Do you have a combi boiler, a vented cylinder or an unvented cylinder?

Hot or Cold or Both??

Could damage your wallet.

The pump is to get the condensate from the boiler into a drain. Liquids run downwards all by themselves. If the route for the condensate pipe needs to go uphill at any stage then you need a pump. Using a pump allows a pipe routing that is easier and causes less building work than finding a...

I keep a socket set in the van - usually for fixing the van but have used it on enough occasions within a plumbing job....

Sealed system with make-up-vessel?

A common problem with these. Get rid of the supplied doughnut and get a nice fat "normal" one from a plumbers merchant. Fit this without any LSX, silicon or any other gunge - it becomes a nightmare if it doesn't seal first time. With the fatter doughnut the cistern might sit slightly...