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Does anyone actually make a pull cord intermediate switch? I'm looking for one to control forward / reverse for a ceiling fan, so it needs to be either an intermediate or a DPDT switch.

This may be better asked in the appliance section. In my limited experience of dishwashers, there may be a problem with the pump or valve controlling the drain. If you do load it up with caustic soda, and it doesn't work, what will you do with a dishwasher full of corrosive liquid?

The OP only mentions two 2-way switches. Unless there is a third switch the OP hasn't mentioned, there should be no call for an intermediate switch. OP - Is the intermediate switch wired as an intermediate (all 4 terminals used), or is it an intermediate switch wired as a 2-way switch (3...

The supply voltage for products sold this side of the atlantic could be a bit of a problem.

What water pressure are your new taps intended for? It usually tells you either on the box, or in the blurb in the instruction leaflet. Incidentally, the position of the hot cylinder is usually irrelevant. It's the position of the cold tank feeding the hot cylinder that is significant.

Whatever the static pressure at the supply end, a rise of 80 feet will reduce the static pressure at the top end by about 2.5 Bar, no matter what happens in between.

The one I used for many years let water in all around the base. That was because it was just stood on a flat concrete slab some 2 feet larger than the garage. The rainwater just ran straight under the walls. If a little more thought had gone into the floor slab before it was laid, that...

Consider what is happening further along the circuit you are testing. Where do the wires you are testing run from and to? is that point connect via whatever heating control or input it is to a live or a neutral, or is it just floating until another control operates? Modern high impedance...

IMO they are OK for a night light or similar, but a single lamp probably won't give enough light for much else. Other forms of lamp of the same wattage may give more light (Lumens per Watt) If you are trying to keep your energy bills down, then fitting a CFL or LED lamp will give out far...

A Q-Max sheet metal punch or a decent quality hole saw, run slowly (about 200 - 400 RPM), with a good dose of cutting lube should do the job. Stainless usually cuts quite nicely unless you spin the cutter too fast, then it starts heating up, work hardens and wrecks the cutter. If...

What is the floor construction, and what material is the existing soil pipe? Depending on the construction and materials used, shifting the soil pipe may be a viable option.

You could use an adjustable spanner as a caliper to compre it with a dog end of pipe of known size. Set it to a snug fit over a bit of 22mm pipe, and it will rattle about on a 3/4" pipe. Set it to fit a 3/4" pipe, and it won't fit over a 22mm pipe. I've seen octagonal nuts on 22mm fittings...

Another area of concern may be the routing of the supply cable to the meter. Sodd's law says it will be exactly where your proposed foundations are supposed to go....

The difference is cosmetic only. Both are the same diameter waste, and both have the same amount of valve lift (3.5mm)

PTFE on the threads won't do anything to seal the fitting. It will just jam the nut before it tightens, and stop the fitting from doing it's job. Unless the nut runs freely on the thread, it can't compress the rubber sleeve down onto the pipe. Assemble the fitting without the pipe and...

Knowing how many wires and cables are present in each of the light fittings, and how are they connected at the moment would help make things clearer. If there's just one cable at each fitting, connected to L, N (&E) of the fitting, the change could be easy. If there's two cables at one...

.... A 28 Watt tube may work in a 38 Watt fitting, but a 38 Watt tube doesn't seem to work very well in a 28 watt fitting.

One check we used to use was to connect to an analogue resistance meter. The meter needle would kick, then drop towards infinity as the meter battery charged the capacitor through the internal resistance of the meter. The larger the capacitor, the longer it takes for the current to drop. Of...

Is the well supply already pumped? Is the well pump delivering the output pressure and flow that is should? Are there any pipework restrictions limiting the flow and dynamic pressure? Adding a booster pump may only mask the problem until the well pump or supply pipe finally fail completely...

Well, I changed the whole fitting, and now I'm looking at the bits left over. Case and cover - OK... Old starter - suitable for 28W fitting - OK... Replacement starter fitted by local handyman - rated 4 - 125W - hmm... Choke - Marked as 28W as expected - Looks OK... Old tube - 28 Watt - Bit...