EFM 520 over the last 20 years

Re: EFM 520 over the last 20 years

PostBy: stoker-man On: Wed Jul 23, 2008 10:04 pm

If you have a Honeywell mercury timer, do not throw it away. It is perhaps the best timer ever made.
stoker-man
 
Hand Fed Coal Boiler: 1981 efm wcb-24 in use 365 days a year
Coal Size/Type: Anthracite/Chestnut
Other Heating: Hearthstone wood stove