De-commissioning back-boilers?
On 20 Jan, 00:37, S Viemeister wrote:
I've seen mention of filling the boiler with sand - but am not
sure how feasible this is - or why it should be done.
Heatsink. If you don't do it, the cast iron back boiler gets to about
400C, cracks and collapses, possibly bringing down some of the
fireplace.
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