htmark98 wrote:
I've been given 2 gas bottles of Butane, now can i use this on my patio
heater and BBQ, the patio heater says only Propane. Havent got my bbq
manual handy yet.

Anyone know if this is safe?

No, at least not without a different regulator (that's normally the bit
which sits on the gas cylinder, and drops the pressure from cylinder
pressure to the low pressure used by the appliance.

David