Posted by Harold Kestenholz - Hydronic Network on December 21, 2000 at 18:23:42:
In Reply to: Thermostat posted by Tom on December 21, 2000 at 12:41:36:
The old faithful is the round T87F Honeywell thermostat or the square T834, both are for 24 volt use from the oil primary. You can put a new space-age thermostat on, but steam systems were invented before thermostats.