Graham Mark

4.1K posts

Graham Mark

Graham Mark

@grahammark1978

Domestic and Commercial engineer. Heating, hot water, catering, G20, G31, oil, G3.

England, United Kingdom شامل ہوئے Mayıs 2010
1.1K فالونگ996 فالوورز
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Graham Mark
Graham Mark@grahammark1978·
Catch up of some recent jobs, are you even a proper gas engineer unless your phone is full of work photos.....
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Graham Mark
Graham Mark@grahammark1978·
Anyone know where you can buy spare wheels and spring sets?
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Graham Mark
Graham Mark@grahammark1978·
@james_m69 @LBCplumbing To talk, yes, not back to site untill after I've hopefully got some pearls of wisdom. Thankfully second boiler on site.
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Graham Mark
Graham Mark@grahammark1978·
Anyone had an F13 "short circuit cylinder sensor" on a Vaillant system boiler before. It is a 100kw ecotec but fault codes are fault codes. NTC's all correct. No cylinder sensor installed. New PCB fitted. Vaillant engineer never seen it.
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Graham Mark
Graham Mark@grahammark1978·
@DpawsonGas Harness looks ok, but next step was going to be new NTC all round and harness.
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P R Hull
P R Hull@PaulRHull·
Anybody else bought a new @forduk transit custom van and having a major problems only after 850 miles ?? Are there any manufacturers out there that actually care about Trade persons anymore? #ford #Transit #Fordcustom
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Graham Mark
Graham Mark@grahammark1978·
If you think I'm touching those valves you're mistaken.
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Graham Mark
Graham Mark@grahammark1978·
Anyone looking for a Remeha Quinta 65,85,90kw fan, get in touch. S101726.
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Graham Mark
Graham Mark@grahammark1978·
Charging methods have improved so much in recent times.....
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Graham Mark
Graham Mark@grahammark1978·
Press is easy Yes, but think about future maintenance, use a compression fitting.
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Graham Mark
Graham Mark@grahammark1978·
Ecotec +100kw. 24v switch. New pcb fitted, ntc's all correct, wiring harness good. No hw sensor fitted. Ideas?
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Graham Mark
Graham Mark@grahammark1978·
Spot the issue? Hint, there is no balanced cold feed.
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Graham Mark
Graham Mark@grahammark1978·
Apparently their system was cleaned 2 years ago......
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Graham Mark
Graham Mark@grahammark1978·
Nope, not touching it, not even looking to hard. Bolts are bent already.
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