Adherence to Building Regs... or not?
Boiler - replacing a boiler does not require you to change your
cylinder to meet regs, but if you do change it (corroded, old etc)
then it must meet regs.
Actually, if you replace a boiler, you do have to bring any external heating
control systems up to date. This may require addition of TRVs, cylinder
thermostats, room stats, programmers, zone valves etc.
Christian.
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