On 16/02/2021 20:35, Chris B wrote:


My question to the group, if you drain all the water out of a back
boiler system, does that preclude using the open fire?Â* IE will you
melt/damage/distort the fireplace/boiler?


IIRC people would fill the back boiler with dry sand and the top vent
left open and carry on burning.worse case then would be sand spilling
into the fire as the steel oxidised.