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Are there 2 system drains, hopefully there is. One for the flow and one for the return. Or if filling loop is on the return and the drain is on the flow or vice versa then fine. Shut off flow and return on the boiler - Shut down all the rads leaving one open, then open the drain and run the...

Unfortunately - with the blending valve in between the manifold and flow/return on the CH system then that will cause a restriction to the powerflush. Even then, to do a powerflush properly, the machine should be connected to each radiator individually and the flow run forward and reverse while...

Yep - if you are handy and don't mind the trench work then time to dig down at the location. Even then though, it may be time to replace the whole thing, if it's gone at one place then it may go again later down the line somewhere else.

Nah - there isn't any software I've ever comes across that can take the place of real world experience and know how for the domestic or DIY level. Mostly it's all for large design works being setup by engineers etc where material costs, tolerances and flows/pressures etc is absolutely critical...

Would be a bit overkill IMO. Cut a section of the foam and then duct tape or glue it into place over the exposed pipe

Absolutely - it allows the edge of the surface to be protected and is no longer then considered a combustible edge. When the replacement was being performed then the MI would have stated what distances they required. What is the make and model of the cooker? As was suggested though, it's not a...

Once baton on - silicone along the corner of the batons > wall. Then offer up the bath, leaving a small gap to get the silicone nozzle in, fill the gap with silicone - pay close attention to corners andsides that will get wet if it's a shower bath and then push the bath onto wall. Remove excess...

Need to step through the different components to narrow down circulation issues > pump > mixing valve > manifold airlock > zone valves if fitted > actuators The EV shouldn't interfere with circulation, just give PRV lifting issue when system was hot enough.

Presume you mean JG, not JD?

Yeah - if the plumber removed the toilet and disconnected that from the old cistern overflow then if he is a plumber and not just a 'have a go' then he really should know if it can be cut and sealed and should have done that as part of the job. As suggested though, yes - cut it down, plug the...

Usually the MI's for the cooker will specify clearances to flammable surfaces, electrical outlets, heights to extractors etc, that's the important part and should be followed. I think there is also mention in the building regs, where it specifies distances of combustible surfaces form heat sources

Yes - the Superseal inserts are specific to JG, no one else uses them, therefore may cause more issues with ID size and fitment. I have had trouble with them inserting properly with other fittings and the o-rings, so no point in taking the chance. If that's all that was around then easily...

Absolutely not, that needs looked at sooner rather than later but that could end up a real can of worms if it's a wet room. That metal waste is badly corroded and really needs replaced. Careful with caustic /acid type drain cleaners as they may not react well with metal wastes/trap. Please let...

@Jamie3147 - All pipework be it plastic or copper has an OD specification of 15mm, that allows their pipe to use standard sized compression fittings and olives as well as their own fittings. Through that standardisation it means that all fittings should be able to be used on all pipework. The...

That's a really weird install. Where they located the shower and rain head etc then there was no way that little piece glass was going to contain the water especially with 4 tenants and one bathroom and shower. I'm sorry by why do landlords have to maximise the room income but skimp on the...

Use waterproof PVA glue to seal the cored wood grain in the hole, silicone can lift after time leaving the wood exposed, wood dependent.

Try HEP inserts

PB H&C Services & Central Heating - that's the old HEP pipe IIRC. It's Polybutylene, OK for water services but if it is the old stuf then maybe not for CH as it may not be barrier.

Most basin have what's called a slotted waste - where the overflow is built into the basin casting and drains out through a slot in the throat of the waste hole - just make sure if it is slotted that the basin waste you get is also slotted and then lined up when fitting.

Solvent weld (ABS plastic) is 43mm OD, push fit (PP plastic) is 40mm OD they aren't interchangeable Use McAlpine compression couplers (multifit as suggested or surefit) as a temp solution