Honeywell T4398 Catalog Page

Electric Heat Thermostats

T4398 High Performance Electric Heat Thermostats

High Performance Electric Heat Thermostats provide precise line
voltage control of resistive-rated electric heating equipment.

• For control of resistive-rated baseboard electric heaters.

• Extremely sensitive to temperature changes.

• Replace virtually all standard wall-mounted line voltage thermostats.

• Color-coded leads allow easy installation.

• Include long-lasting Micro Switch™ mechanism.

• Rugged, plastic mounting base.

• Cover thermometer indicates room temperature.

• Well suited for upgrades and high-end new construction.

• Mounts directly on vertical 2 x 4 in. outlet box, or on 4 x 4 in. outlet
box.

Application: Electric baseboards, convectors and fan forced heaters

(resistive rated loads)

Dimensions, Approximate: 4 1/2 in. high x 2 7/8 in. wide x 2 5/8 in.

deep (115 mm high x 73 mm wide x 67 mm deep)

Electrical Ratings: Noninductive resistive 22A at 120/208/240 Vac

19A at 277 Vac

Accuracy: 1 C
Ambient Temperature Range: 50 F to 80 F (10 C to 25 C)
Differential Temperature: 2 F (1 C)
Temperature Setting Range: 50 F to 80 F

Switch Positions

Product Number

* T4398A1021/U SPST SPST 1 Heat Thermometer, range stops and locking cover screws

* T4398B1029/U DPST DPST 1 Heat Thermometer, range strops, locking cover screws, Positive Off

* TRADELINE models • SUPER TRADELINE models

Switching Action Stages IncludesSystem Fan

Frequency: 60 Hz
Sensor Element: Vapor filled dual diaphragm
Color: Premier White®
Mounting: Vertical Mount

Approvals
Canadian Standards Association:
Underwriters Laboratories, Inc: Listed; File No. E4436, Guide No. XAPX

Listed: File No. LR1322

Accessories:

272804A-Range Stop and Locking Screws Assembly

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