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Dump Zone and Low Temp Controller in One

Posted: Sun. Oct. 13, 2013 8:21 pm
by pine grove coal user
I'm wiring my "new" Tarm boiler.
With it came a Honeywell L4007B for the Dump Zone control and a L4006B for the low temperature cut out for the circulator pump (for the pump circulating water between the boiler and the oil burner).
Does Honeywell make one unit that has both low temperature and high temperature functions?

Re: Dump Zone and Low Temp Controller in One

Posted: Fri. Nov. 01, 2013 12:09 pm
by GILWHO7
Yes they make a opposite on at high temp and low off has to be ordered at big box but plumbing supply has them