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K Williams.
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K Williams
just wanted to know if i could change an old glow worm conventional boiler running on a y-plan to a worchester bosch greenstar IR with out changing any wiring.
all controlls are present and working
room stat
cylinder stat
timer
pump
3 port
frost stat (boiler in garage)
i install day in day out but dont get to see the wiring up,i just leave on temp 3 pin plug with the valves in manual
my bets are its like for like going off the diagram i saw, but dont want to price the job befor i find out if i need the spark in or not?
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