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Identify This Part
tbone4628
Member Posts: 2
Help. I believe this is the thermostat for an in slab electric heat system. I'd like to know some more about it. Like what the Settings (A, B,C, etc) mean, what I should set it to for season or temperature. Would like a data sheet or even better a recommendation for a more modern replacement that uses room temp and slab temp. Any recommendations appreciated. 
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Comments
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Here is something that looks like it; rebranded, but with the same operating instructions?
https://www.ebay.com/itm/335002361124?chn=ps&mkevt=1&mkcid=28&srsltid=AfmBOopsjZx_tMRGiVXqrHs7Dqk0Ft8Mk4hf8BRI53sD1MNP0H49iB-HgQo
And you might find something on the Penn website.
https://www.penncontrols.com/resources/technical-literature8.33 lbs./gal. x 60 min./hr. x 20°ΔT = 10,000 BTU's/hour
Two btu per sq ft for degree difference for a slab0 -
@tbone4628 , what is this unit connected to? Heating elements? Circulator pump?All Steamed Up, Inc.
Towson, MD, USA
Steam, Vapor & Hot-Water Heating Specialists
Oil & Gas Burner Service
Consulting0 -
Couldn't find the manual, but some old ads with some feature explanations
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Thanks for the replies so far. Its controlling an in slab electric heat circuit. Thermostat type wires into the floor which I expect to be to a temp sensor. And two wires up to the "off peak" control box which I suspect control the current to the heat elements. The back has just these 4 connections to a black box. Cant tell if its control for a relay or the relay itself. Here is a picture of the back. Looks line PN T31bb-10
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