Low voltage fan timer options?

[slowtwitch73]

I'm trying to replace toggle switches that operate our whole house recirc system. Switches are in the bathrooms and have low voltage (28) thermostat type wires coming in. I am pretty sure the various digital timer options won't work with the low voltage. Is my only option a mechanical spring loaded type timer switch?

Photo is whats there currently.

 

[dogdog]

Low voltage means what voltage... once you know plenty of Ebay/amazon options from wireless remote to other things. I don't think there are any rules what you can use as low voltage control.

 

[slowtwitch73]

I test 28 volts. Most of the timers I can find are 120+ vac and req a neutral/ground. I searched around quite a bit...

I tried an Eaton digital timer and no dice.

 

[The Cobbler]

a spring wound timer would be an option, without getting fancy & running 120v and a relay .
perhaps you could find a wireless timer and install the reciever at the circ system . again a relay & wiring probably required

 

[slowtwitch73]

Cobbler, yes the feeling I'm getting is I can use a light switch or a mechnical spring wound timer.

I did find this:

https://www.cesco.com/Watt-Stopper-...sponse-Time-White-SPDT-24-Volt-AC-DC/p2092689

Seems like it could work?

 

[The Cobbler]

looks like a good option to me... but, what do I know? LOL

 

[infinkc]

I would just go spring wound.

UltraPro Honeywell 60-Minute Countdown in-Wall Timer, Mechanical Switch, Spring Wound, No Neutral Wire Needed, Single-Pole, Ideal for Lights, Exhaust Fans, Heaters, Pumps, 41081, White - - Amazon.com

UltraPro Honeywell 60-Minute Countdown in-Wall Timer, Mechanical Switch, Spring Wound, No Neutral Wire Needed, Single-Pole, Ideal for Lights, Exhaust Fans, Heaters, Pumps, 41081, White - - Amazon.com

www.amazon.com

 

[slowtwitch73]

Yeah I may. I see I can get them that max out at 15 or 30 minutes which would be good. Way cheaper, and I would venture longer lasting.

 

[nadogail]

I use a spring wound timer and a relay to control the electric heater in the garage. Nobody accidentally leaves the heater on.

 

[wssix99]

Have you checked the instructions for your unit and the manufacturer's site? My unit has special timer units that run off those three wires and there are special terminal configurations on the main unit for using the timing functions and wiring various types of switches and timers. https://www.lifebreath.com/us/products/residential-controls-timers/

 

[slowtwitch73]

I just went with .5 hr spring wound. Works slick... big upgrade in usability. Thanks all.

 

[alfredeneuman]

I use a spring wound timer and a relay to control the electric heater in the garage. Nobody accidentally leaves the heater on.

Almost all electric heaters with a fan run the fan after the heating coils turn off (to cool the housing and avoid overheating).
Suddenly turning it off like that can damage the heater.

 

[popbigguy]

Try this web site:

Home - NSI Industries

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www.nsiindustries.com

Go to their catalog. Page 370, part number SS910, 24VDC & AC. Also page 374, part number SS410 is 24VDC & VAC. Now finding where to buy them is another story.