Hydronic ControlsThese immersion controllers for use in gas- or oil-fired hydronic heating systems require a 24VAC thermostat. Select models are compatible with 750mV thermostats.
Average Product Rating: 5based on 1 reviews
great unitThursday, December 30, 2010
Right out of the box and installed in a breeze. Working well, though could have come with a little more silver compound.
Compact, all in one design (eliminated the need for the external transformer)