Drawing of the part type. Check the specs and the label on your old part.
THERMOSTAT
Non-Programmable Thermostat, 24 Volt or Millivolt system, Vertical (White Rodgers 1E78-140)
Part no. 1E78-140 · Compatible replacement part · White Rodgers
USE
Heat Only
STAGES
1 Heat
PROGRAMMING
Non-Programmable
$53.49
- Ships in 1 to 2 business days. Free over $49.
- 30-day returns on unused parts.
- 1-year warranty. Details
- Questions? Ask us to check the fit
FIT CHECK: MATCH THESE NUMBERS
Hold your old thermostat next to this list. 3 ticks means it fits.
THIS PART'S NUMBERS
1Heat Only
21 Heat
3Non-Programmable
Tick each box once you check it. 3 left to check.
Specs
| Amps (FLA) | 15 A |
|---|---|
| Use | Heat Only |
| Stages | 1 Heat |
| Programming | Non-Programmable |
| Power | Battery |
| Controls | Push Button |
| Mount | Vertical |
| Temperature range | 45°F - 90°F |
| Voltage rating | 24V |
| Wattage | 1.5 to 45 |
| Wiring | Rh |
| Color | White |
| Height | 5-3/10" |
| Width | 3-1/4" |
| Depth | 1-1/10" |
| Condition | New |
Will it fit?
Match the specs on your old part. Brand does not matter. The numbers do.
Brand names and part numbers are shown only to help you find a compatible part. This is not a brand-made part. We are not affiliated with or endorsed by these companies.
Safety: read before you start
- Turn the system off at the thermostat or switch before you start.
- Take a photo of how the old part sits before you remove it.
- Not sure? Call a licensed HVAC tech.
Shipping
Ships in 1 to 2 business days. Free standard shipping on orders over $49. You get tracking by email.
Returns
Return unused parts within 30 days. Parts that were installed or wired in can not be returned unless they are defective. Return policy.
Warranty
1-year warranty against defects. Keep your order email. Warranty details.