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No contact breaker - just the mag coil. I could put an external switch operated by the OPC handle. The existing is not what you might call "well engineered" (but doubtless cheap!).

I have cleaned the carb and bypassed the switch ready to try to start again (but the rain is torrential at the moment!). I'm not sure if there is a microswitch - I think it is just a wire that contacts part of the brake lever. That was the point of the question. It is not obvious what this...

After a long retirement, I excavated it from a very damp location, but the safety handle ("Operator presence control") would not pull up to the handle. WD40'd the cable and it moved freely. The arm in the engine did not move. Removed (with a puller) the bladed flywheel and the arem carrying...

No resistance on the primary (well, infinite to be correct!) Same true of the replacement. However, there is a nice fat spark from the original when removed from the burner. The problem came down to cracked insulators on the electrodes. Mad at myself for not being more persistent with the...

I looked for "heating" but not for "plumbing"!

Recently, I suspected this had died due to non ignition of the oil jet. I found electrical continuity on the high voltage side but not the 230v input side. Is this normal? Is there a blocking capacitor in the circuit?

So you don't think it is a rip-off then? Around £60 total for a tiddly plug?!

Not sure where your tongue was when responding but; - if the system is heated, the pump will tend to remain dry even if there are seepages above. If the system is cold, both seepages and condensation can dampen the plug. My company manufacture cable deck glands for sea-going boats. Now...

I've just been quoted £35 (presumably plus VAT) plus £12 carriage for a replacement connection plug. The weight is just 25gms! The company was BSL official distributors. This appears to be a huge rip off. The plug suffered water ingress and eventually shorted. As a design engineer, I can...

I have just bought a Hoval Mini-3H combi boiler which needs transporting. As it is around 6 feet in height, it restricts the options for its transport. Do any of you knowledgeable forumites know if the two halves are easily separable please?

Thanks Matt. The steer was for programmable timers! I used to write technical proposals for the MOD and thought I knew how to express myself succinctly. I was obviously wrong! However, I found a desk-top count down timer with a 99 hours maximum setting time but it only bleeped when the...

( That's what I have (Horstmann not Honeywell) but the fag of going round the lot (its a big rambling house) means either I won't bother (certainly for short periods) or I will bother and find I've got it wrong and we return to a cold house. All I need is a timer such as is (was) used in...

It's funny when you think you have explained your problem precisely! I just want to pull the plug on the whole heating system, i.e. switch the whole lot off to be re-activated at a time/date I can specify. (I have a frost stat that would overrule the switch-off). The Maxtech TH5-C looks...

I have a complex 8 zone heating system with distributed timer/programmers that works very well. When the premises are unoccupied over a significant period, I would like to shut down the whole system and reactivate it after a settable time. I have in mind a count down timer settable up to, say...