Thermostats and Controls

Discussion List

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  Taco Switching Relay Fried Twice--Tstats at fault??

  jac34 1.5K views 120 comments 0 points Most recent by wmgeorge February 2022Thermostats and Controls
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  Hot water sensor open

  rich1974 32 views 3 comments 0 points Most recent by rich1974 January 2022Thermostats and Controls
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  Heat Timer EPU Issue: Shutting off during heating timer cycle too early

  Danny_G 126 views 7 comments 0 points Most recent by Steve_210 January 2022Thermostats and Controls
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  Aquastat 8124 and NEST

  RonC 268 views 30 comments 0 points Most recent by RonC February 2022Thermostats and Controls
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  24vac relay wiring

  4eeny_ 362 views 18 comments 0 points Most recent by 4eeny_ January 2022Thermostats and Controls
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  CT-24 zone valve replacement

  Stevish68 85 views 1 comment 0 points Most recent by hot_rod January 2022Thermostats and Controls
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  Upstairs zone heat won't turn off

  ChuckMcKee13 45 views 1 comment 0 points Most recent by psb75 January 2022Thermostats and Controls
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  Vaporstat causing boiler to cycle too much?

  mathewb001 143 views 9 comments 0 points Most recent by jhewings February 2022Thermostats and Controls
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  Couple of questions on Honeywell Vision Pro 8000

  GeorgeM22 11 views 0 comments 0 points Started by GeorgeM22 January 2022 Thermostats and Controls
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  Honeywell T9 power interruptions with Taco ZVC404

  fiveightandten 208 views 6 comments 0 points Most recent by HVACNUT February 2022Thermostats and Controls
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  Thermostat help

  homeownerMary 63 views 4 comments 0 points Most recent by rick in Alaska January 2022Thermostats and Controls
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  Utilizing circulator hold off with hydrolevel 3250 and taco zone valve control

  super_snop 97 views 3 comments 0 points Most recent by super_snop January 2022Thermostats and Controls
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  Are there thermostat panels?

  rsilvers 175 views 13 comments 0 points Most recent by rsilvers January 2022Thermostats and Controls
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  C wire on Williamson-Thermoflo boiler

  ColtSievers 310 views 2 comments 0 points Most recent by HVACNUT January 2022Thermostats and Controls
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  Adding toggle switches to thermostat circuit

  lost11 64 views 6 comments 0 points Most recent by SuperTech January 2022Thermostats and Controls
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  Nest Power Connector Help

  ncatanza05 321 views 8 comments 0 points Most recent by lost11 January 2022Thermostats and Controls
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  Hydrolevel 3250 outdoor reset minimum target temp

  super_snop 35 views 1 comment 0 points Most recent by Robert O'Brien January 2022Thermostats and Controls
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  Need to add a Smart thermostat to a 2 wire system

  jam1170 256 views 3 comments 0 points Most recent by lost11 January 2022Thermostats and Controls
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  Hydrolevel 3250 on propane?

  casualrad 71 views 9 comments 0 points Most recent by casualrad January 2022Thermostats and Controls
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  Nest thermostat. Central AC fan turns on when connected to G terminal on base

  super_snop 53 views 8 comments 0 points Most recent by super_snop January 2022Thermostats and Controls
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  why the different options for connecting a smart thermostat?

  lost11 304 views 16 comments 0 points Most recent by EBEBRATT-Ed January 2022Thermostats and Controls
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  Any recommendations for data loggers appreciated.

  JohnNY 171 views 10 comments 0 points Most recent by ratio January 2022Thermostats and Controls
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  Need help with old TROL-A-TEMP controller and slave thermostat wiring

  apazmany 196 views 2 comments 0 points Most recent by ratio January 2022Thermostats and Controls
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  non-wifi, more than 4-period

  lost11 22 views 0 comments 0 points Started by lost11 January 2022 Thermostats and Controls
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  Honeywell RA832A XX Terminals

  AdamNJ 495 views 5 comments 0 points Most recent by AdamNJ January 2022Thermostats and Controls
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  Setting Aquastat at 240 to hit 190?

  Steve Garson_2 32 views 0 comments 0 points Started by Steve Garson_2 January 2022 Thermostats and Controls
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  Connecting taco sr501 and hydrostat 3150

  benmoussa3 253 views 4 comments 0 points Most recent by benmoussa3 January 2022Thermostats and Controls
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  Nest thermostat

  jcaction 133 views 5 comments 0 points Most recent by jcaction January 2022Thermostats and Controls
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  Junkers FR120 + Junkers Cerapur ZSBR 7-28 A 23 S5800

  drogar 188 views 12 comments 0 points Most recent by Derheatmeister January 2022Thermostats and Controls
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  Taco ZVC-406 not opening zone valves

  kilgore 749 views 9 comments 0 points Most recent by hot_rod January 2022Thermostats and Controls
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  Honeywell RTH6580WF Thermostat Questions

  QuinlanKJ51 41 views 2 comments 0 points Most recent by QuinlanKJ51 January 2022Thermostats and Controls
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  Honeywell T4 PRO stat problem

  FDNYRETIRED 546 views 11 comments 0 points Most recent by FDNYRETIRED January 2022Thermostats and Controls
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  Hydrostat 3250-Plus ... a simple, intelligent solution needed.

  MikeAmann 636 views 15 comments 0 points Most recent by MikeAmann January 2022Thermostats and Controls