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Hi, I was going to replace a few rotted pieces of shiplap timber on my shed before the winter comes but can't find 94mm (approx) shiplap anywhere, only bigger sizes. Does it exist? Thanks

I recently replaced the DHW Flow Diaphragm to cure a leak and now the 'Overheat Thermostat Has Operated' red light is on and the boiler won't operate. The white reset button had no effect. The fault finding chart suggests a problem either with the overheat thermostat itself or the neon PCB...

Hi My boiler is losing water pressure, have to recharge every couple of days. Today I let out the system water pressure until it read zero on the gauge. Tested the expansion vessel and almost nothing in it. Recharged with pump to 1 bar and noticed the boiler water pressure gauge had risen to...