That Honeywell thermostat is expensive because it's over 50 years old. I have one one my workshop furnace. I think it has a mercury switch in it not a bimetal coil. I'm not sure you can control the fan on a cruiseair unit with that thermostat. Changing to SMX control is a worthy upgrade.
Walt Hoover
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Thread: CRUISAIR Thermostat Upgrade ?
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Re: CRUISAIR Thermostat Upgrade ?
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Re: CRUISAIR Thermostat Upgrade ?
The ad above for;
"Heavy Duty Line Voltage Thermostat" Could be correct. Like the 3 knob control, all is switched rite there.
Or,, relays deal with the heavy current in the box.
Were all just guessing till some specs or pictures come in.
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04-30-2024 09:04 PM #13
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04-30-2024 09:13 PM #14Senior Member
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Re: CRUISAIR Thermostat Upgrade ?
Just popped the cover to take a look. Not much to see so far except 40 years of dust.
IMG_0222.jpg
Not going to dig any deeper tonight because it's line voltage and it's running heat right now (50 degrees here in NJ) and I don't want to incur the wrath of the Admiral by opening a can of worms and winding up with no heat. Just peeking behind that front plate though it doesn't strike me as the type with a lot of options.
I'll see if I can dig up a manual for it online now that I know the model number.1986 54 Hatteras MY IOLANI
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04-30-2024 09:38 PM #15Senior Member
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Re: CRUISAIR Thermostat Upgrade ?
Before you go ahead and order check out this link...has the same part number as mine sans the -1 suffix. Description is poor doesn't indicate if it's line voltage but for that price it's worth looking into.
https://controlscentral.com/eCatalog...ell&ViewType=21986 54 Hatteras MY IOLANI
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04-30-2024 09:55 PM #16Senior Member
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Re: CRUISAIR Thermostat Upgrade ?
This looks like it could be the manual/wiring diagram for it. Model T6052B. I'm not seeing any fan options....
https://prod-edam.honeywell.com/content/dam/honeywell-edam/hbt/en-us/documents/manuals-and-guides/installation-guides/95-6979.pdf
.1986 54 Hatteras MY IOLANI
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Re: CRUISAIR Thermostat Upgrade ?
I threw 4 of these out when I upgraded. I had no idea anyone would ever want them. The new stuff is so much better.
Sky Cheney
1985 53EDMY, Hull #CN759, "Rebecca"
ELYC on White Lake--Montague, MI
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Re: CRUISAIR Thermostat Upgrade ?
Seems just like a fan control page is missing.
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05-01-2024 08:58 PM #20
Re: CRUISAIR Thermostat Upgrade ?
Thanks that saves quite a bit of money. As to wanting these instead of the new ones-- They lasted 40 years. I have had the SMX and the ones I had didn't last 10. Computers and circuit boards tend to go bad with power surges or lightning nearby. I prefer the old technology even though the temperature swing is greater. In Florida they pretty much run all the time anyway. Also it is a direct replacement. No fishing wires, re-wiring, etc. I am pretty lazy