View Full Version : Need replacement for Hoffman Panelmatic
11-14-2005, 09:15 PM
40yr old mechanical outside air comparator ,which adjusts boiler bypass with zone valve.Has outside bulb and inside water temp bulb .Uses input from master thermostat to control circulator (one )through boiler control .
11-14-2005, 09:29 PM
are you talking about an outdoor reset?
11-14-2005, 09:37 PM
Yes ,but when this thing was built ,they called it an "econostat ".
ps ; does that cave smell like fish ?
11-14-2005, 09:43 PM
Outdoor resets are still available.
Note: They smell like mud. :D
11-14-2005, 09:45 PM
will they perform the same functions ie control boiler bypass and circulator contol ?
11-14-2005, 09:54 PM
Check out the Honeywell (http://honeywell.com) website and find one to meet your needs.
You need to be a contractor for this site though.
[Edited by karsthuntr on 11-14-2005 at 10:14 PM]
11-14-2005, 09:56 PM
This one may work.
11-14-2005, 10:00 PM
Thanks ,I'll use my "contractor " ID .
PS ; got plenty of karst up here ,but most of it busy causing sinkholes uder highways .
11-14-2005, 10:02 PM
Thanks again ,Honeywagon makes good controls ,but bad computers .
11-14-2005, 10:15 PM
Also try tekmar. tekmarcontrols.com
Powered by vBulletin® Version 4.2.0 Copyright © 2013 vBulletin Solutions, Inc. All rights reserved.