#10,839 in Tools & Home Improvement
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Reddit mentions of Honeywell Home CT30A1005 Standard Manual Economy Thermostat
Sentiment score: 1
Reddit mentions: 1
We found 1 Reddit mentions of Honeywell Home CT30A1005 Standard Manual Economy Thermostat. Here are the top ones.
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Heat only manual thermostatSimple worry free operationBimetal temperature sensorDecorative back plate included,Item does not come with an off switchMercury free
Specs:
| Color | Almond |
| Height | 3.12 Inches |
| Length | 3.12 Inches |
| Number of items | 1 |
| Weight | 0.15 Pounds |
| Width | 0.88 Inches |
Based on your description, the thermostat is malfunctioning.
Realize all a t-stat does is close a switch in a 24vac circuit that tells the furnace to operate. Programmable t-stats just manage the switch to attain your programmed temps... but at the end of the day all it doing is opening and closing a switch (or switches if in the case of a/c).
Easily tested with a new thermostat. Buy and install a 'no-frills' t-stat. Something like this: https://www.amazon.com/Honeywell-CT30A1005-Standard-Economy-Thermostat/dp/B000BQWADS/ref=sr_1_6?s=hi&ie=UTF8&qid=1510432703&sr=1-6&keywords=thermostat
If the furnace now functions normally, then you've confirmed the the old t-stat was a POS and you can safely invest in a programmable or 'smart' one with some confidence it will work.
If the same problem occurs, then something else is happening and warrants a service call.