Skip Content

Want to pay an invoice? Please call us at 1-800-GRAINGER (1-800-472-4643).

ROBERTSHAW

Low Voltage Thermostat, Stages Cool 2, Stages Heat 3

  • Item# 1TKH8
  • Mfr. Model# 9725i2
  • Catalog Page# 3778
  • UNSPSC# 41112209
Low Voltage Thermostat, Stages Cool 2, Stages Heat 3 close
close x

Using 360° Viewing:

  1. Rotate: Use top-to-bottom, side-to-side by use of mouse arrow.
  2. Zoom In: Double click on image.
  3. Zoom Out/Reset: Put photo at full zoom & then double click.
Megaphone How can we improve our Product Images?

Product is discontinued

Product Details

Multistage digital thermostat suitable for heating/cooling or heat pump applications.

View More

Technical Specs

  • Item Low Voltage Thermostat
  • Stages Heat 3
  • Stages Cool 2
  • Temp. Settings per Day 4
  • Programs per Week 7, 5-2, 5-1-1, or 24 Hr.
  • Terminal Designations R, C, Y1, Y2, W1, W2, G, O, B, OS1, OS2, IS1, IS2
  • System Switching Auto-Heat-Cool
  • Fan Switching Auto-On-Intermittent-Program
  • Display Type LCD, Backlit
  • Key Pad Lockout 3 Levels of Security With 4 Digit PIN# Access Code
  • Programmable Fan Yes
  • Automatic Changeover Yes
  • Humidification Control No
  • Remote Sensing Capability Yes
  • Battery Backup No
  • Dual Transformer Compatible No
  • Power Method Hardwired
  • Voltage 18 to 30VAC
  • 750mV Compatible No
  • Mounting Type Horizontal
  • Height 3-3/4"
  • Width 5-1/4"
  • Depth 1-1/8"
  • Color White
  • Control Range 45 Degrees to 90 Degrees F
  • Features English, Spanish or French Display Option, Clock Auto Adjust for Daylight Savings
  • For Use With Multi-Stage Gas, Oil, or Electric Heating / Cooling Systems
  • Includes 5 yr. Warranty
  • Agency Compliance Energy Star
Megaphone How can we improve our Technical Specifications?

Compliance and Restrictions

None

Alternate Products

Alternate Products may not be identical in style or function to original selection. Please compare below for more information.