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Twelve white rectangular wall thermostats with digital displays in a bulk pack

White-Rodgers 1E78-140 HVAC Control 12 Pack

SKU CH-JDEP-FAKT3 MPN 1E78-140

A 12-pack of non-programmable digital thermostats for single-stage heat-only systems with backlit display and ±1 °F precision

  • Rated voltage125VAC
  • Mounting styleWall Mount
  • Relay contact70, 24 V
  • Certifications and standardsNot capable emitting RF energy
  • Labor warranty5 year limited.
  • Product typeWhite-Rodgers 1E78-140 Thermostat Wall Dig Heat Only, manual
  • Easy-to-read backlit display for clear temperature control
  • Non-programmable operation simplifies daily heat management
  • Designed for single-stage heat-only systems
  • Precision control within plus/minus 1 degree Fahrenheit
  • 12-pack value for multi-zone or contractor installations

12-pack non-programmable heat thermostat

The White-Rodgers 1E78-140 is a non-programmable digital thermostat designed for single-stage heating systems. It suits HVAC technicians and property managers who need multiple identical units for consistent installations. The vertical-profile device mounts on a wall and operates on 24 volt or millivolt circuits. This pack contains twelve new thermostats.

Manual control limits scheduling flexibility

The thermostat offers manual operation only, so temperature changes require physical adjustment at the unit. It provides precision control within plus or minus one degree Fahrenheit. The device is not compatible with electric baseboard heat and certain other system types. A backlit digital display ensures readability in low light.

Single-stage heat-only compatibility decides fit

This model works exclusively with single-stage heat-only configurations on 24 volt or millivolt wiring. It will not function with cooling, heat pump or multi-stage heating equipment. Verify your system type before purchase to ensure correct operation. The relay contact rating is 70 at 24 volts.

How it compares

Measured against everything we stock in Heating & Cooling Controllers, at today’s prices. Recalculated every night.

Price $38.99
Cheaper than about 55% of the 1,762 comparable items (median $45.99).

Specifications

Product
Brand nameWhite-Rodgers, Copeland
Model name1E78-140
Part number1E78-140
Product typeWhite-Rodgers 1E78-140 Thermostat Wall Dig Heat Only, manual, Hand Control
Product colorWhite
Power
Rated voltage125VAC
Size & build
Size or dimensions1.13 in × 3.19 in × 5.31 in
Mounting styleWall Mount
In the box
Number of items12 pack
Environment & compliance
Certifications and standardsNot capable emitting RF energy
More details
Relay contact70, 24 V

Questions about this item

Should I buy the 12-pack or individual units for my project?

The 12-pack supplies twelve identical thermostats in one carton, ideal for multi-unit installs or contractor stock; single units are available separately if you only need one.

What does the ±1 °F precision mean once the thermostat is installed?

The digital display and internal sensor maintain the set temperature within one degree Fahrenheit, so the space stays consistently close to your chosen setting without noticeable swings.

The relay is rated 70 at 24 volts — what load can it actually switch?

The 24 V relay handles typical gas-valve or millivolt heating circuits up to its rated contact capacity, but it is not suitable for electric baseboard or line-voltage loads.

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