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ST-2E / ST-3E

Last post by sadms « Wed Sep 10, 2025 5:08 pm
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by Steven W. » Tue Jun 25, 2019 10:30 am

1 Replies

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Last post by sadms
Wed Sep 10, 2025 5:08 pm
Older Technical Documents

Last post by John B. « Thu Jun 13, 2019 10:34 am

by John B. » Thu Jun 13, 2019 10:34 am

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Last post by John B.
Thu Jun 13, 2019 10:34 am
Welcome / Forum Rules

Last post by Ric « Mon Oct 05, 2009 11:20 am

by Ric » Mon Oct 05, 2009 11:20 am

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General Information Needed

Last post by Paul Z. « Wed Jan 28, 2015 11:34 am
Replies: 3
by TomSlosar » Tue Nov 20, 2012 11:28 am

3 Replies

15247 Views

Last post by Paul Z.
Wed Jan 28, 2015 11:34 am
Fresh Air intake and humidifier with UT 3000

Last post by Roddy « Fri Jan 23, 2015 6:12 am
Replies: 2
by andremi » Mon Nov 17, 2014 5:56 pm

2 Replies

12421 Views

Last post by Roddy
Fri Jan 23, 2015 6:12 am
Damper Troubleshooting

Last post by RA3210 « Tue Jan 20, 2015 10:14 am
Replies: 2
by RA3210 » Sat Jan 17, 2015 9:50 am

2 Replies

15138 Views

Last post by RA3210
Tue Jan 20, 2015 10:14 am
Emerson Sensi Thermostat

Last post by Mooring10 « Tue Jan 13, 2015 12:58 pm
Replies: 6
by CThome » Sun Oct 19, 2014 6:00 pm

6 Replies

33323 Views

Last post by Mooring10
Tue Jan 13, 2015 12:58 pm
Aprilaire 800

Last post by Paul Z. « Tue Jan 13, 2015 8:25 am
Replies: 1
by Niantic » Sun Jan 11, 2015 1:48 pm

1 Replies

9275 Views

Last post by Paul Z.
Tue Jan 13, 2015 8:25 am
How to interlock fan with ERV controls

Last post by Paul Z. « Tue Jan 13, 2015 8:22 am
Replies: 1
by mzcarey » Sat Jan 10, 2015 9:31 pm

1 Replies

9718 Views

Last post by Paul Z.
Tue Jan 13, 2015 8:22 am
Damper motor only working one way

Last post by Paul Z. « Tue Jan 13, 2015 8:19 am
Replies: 4
by Ken » Sat Nov 15, 2014 10:31 am

4 Replies

17862 Views

Last post by Paul Z.
Tue Jan 13, 2015 8:19 am
EWC -ST-2E issues with Radio Thermostat CT-101 2nd zone off

Last post by Paul Z. « Tue Jan 13, 2015 8:17 am
Replies: 1
by Skyfighter75 » Thu Jan 08, 2015 11:42 pm

1 Replies

9137 Views

Last post by Paul Z.
Tue Jan 13, 2015 8:17 am
no y1 signal in heat mode unit set dip switch to hp

Last post by tom adams « Wed Jan 07, 2015 6:33 pm

by tom adams » Wed Jan 07, 2015 6:33 pm

0 Replies

44438 Views

Last post by tom adams
Wed Jan 07, 2015 6:33 pm
UT3000 humidifier/de-humidifier

Last post by Paul Z. « Wed Jan 07, 2015 1:56 pm
Replies: 5
by meassick » Wed Feb 12, 2014 1:08 pm

5 Replies

26512 Views

Last post by Paul Z.
Wed Jan 07, 2015 1:56 pm
UT-3000 / Dual Fuel w/ 2-Stage Furnace

Last post by Paul Z. « Mon Dec 29, 2014 9:12 am
Replies: 6
by Mr. T » Sat Nov 23, 2013 11:26 am

6 Replies

28572 Views

Last post by Paul Z.
Mon Dec 29, 2014 9:12 am
Modulating Zone Damper

Last post by ashleygull « Wed Dec 24, 2014 6:11 am
Replies: 2
by cottora » Fri Dec 12, 2014 4:22 pm

2 Replies

12432 Views

Last post by ashleygull
Wed Dec 24, 2014 6:11 am
1 of 2 zones not working in an attic HVAC system

Last post by Paul Z. « Fri Dec 19, 2014 10:57 am
Replies: 3
by Ted » Fri Dec 05, 2014 10:56 pm

3 Replies

14662 Views

Last post by Paul Z.
Fri Dec 19, 2014 10:57 am
NMC-300 Long delay for heat

Last post by Paul Z. « Mon Dec 15, 2014 8:53 am
Replies: 1
by dtmackey » Sun Dec 14, 2014 8:23 am

1 Replies

9605 Views

Last post by Paul Z.
Mon Dec 15, 2014 8:53 am
Recent install of 2nd damper in same zone

Last post by Paul Z. « Mon Dec 15, 2014 8:49 am
Replies: 5
by jim_scanlon » Tue Mar 17, 2009 12:04 pm

5 Replies

28647 Views

Last post by Paul Z.
Mon Dec 15, 2014 8:49 am
Boss motorized damper not working-slave is

Last post by LAKEGUY72GHR « Fri Dec 05, 2014 12:50 pm
Replies: 5
by LAKEGUY72GHR » Tue Sep 02, 2014 1:11 pm

5 Replies

20944 Views

Last post by LAKEGUY72GHR
Fri Dec 05, 2014 12:50 pm
Honeywell rth9580

Last post by Paul Z. « Wed Dec 03, 2014 1:32 pm
Replies: 1
by finn1212 » Mon Dec 01, 2014 4:31 pm

1 Replies

9455 Views

Last post by Paul Z.
Wed Dec 03, 2014 1:32 pm
Buzzing in control panel

Last post by Paul Z. « Tue Nov 25, 2014 8:22 am
Replies: 1
by handyhomeowner » Mon Nov 24, 2014 6:50 pm

1 Replies

9638 Views

Last post by Paul Z.
Tue Nov 25, 2014 8:22 am
UT-3000 & Honeywell Prestige 2.0 - Wiring & Stat Config ?

Last post by Mr. T « Fri Nov 21, 2014 10:15 am
Replies: 2
by Mr. T » Wed Nov 19, 2014 1:20 pm

2 Replies

13167 Views

Last post by Mr. T
Fri Nov 21, 2014 10:15 am
Best option for remote control of all zones -- four UT3000's

Last post by Paul Z. « Tue Nov 18, 2014 9:41 am
Replies: 1
by tnedator » Mon Nov 17, 2014 9:28 am

1 Replies

10020 Views

Last post by Paul Z.
Tue Nov 18, 2014 9:41 am
Staged heating and the BMPlus 3000 rev B

Last post by Paul Z. « Fri Nov 07, 2014 11:00 am
Replies: 3
by fuzzynavel » Sun Nov 02, 2014 7:27 pm

3 Replies

16376 Views

Last post by Paul Z.
Fri Nov 07, 2014 11:00 am
Data Logging available?

Last post by djohall@gmail.com « Wed Nov 05, 2014 10:02 pm

by djohall@gmail.com » Wed Nov 05, 2014 10:02 pm

0 Replies

44409 Views

Last post by djohall@gmail.com
Wed Nov 05, 2014 10:02 pm
Hi, Looking for a answer to Nest Quandry.

Last post by Paul Z. « Mon Nov 03, 2014 2:02 pm
Replies: 3
by pjg43 » Tue Sep 09, 2014 11:39 am

3 Replies

15257 Views

Last post by Paul Z.
Mon Nov 03, 2014 2:02 pm
Damper Motors

Last post by Paul Z. « Fri Oct 31, 2014 9:12 am
Replies: 2
by jcsmitty » Thu Jul 03, 2014 5:39 pm

2 Replies

12387 Views

Last post by Paul Z.
Fri Oct 31, 2014 9:12 am
EWC EWT-DP thermostat replacement

Last post by Paul Z. « Fri Oct 31, 2014 9:09 am
Replies: 3
by DWilliams » Sun Jun 22, 2014 2:45 pm

3 Replies

16180 Views

Last post by Paul Z.
Fri Oct 31, 2014 9:09 am

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