Honeywell T498A1778


Electric Heat Line Voltage Thermostat

T498A1778 685997
Average Rating: 5
Read Reviews (2) Write a Review
$27.94+ 10 Business Day Shipping $9.16


ItemLine Voltage Thermostat
TypeHeating Only
Switch TypeSPST
Switch ActionOpen on Rise
Number of Switches1
Control Range (F)40 to 80
Differential (Deg. F)+/- 3
Height (In.)4-17/32
Width (In.)2-29/32
Depth (In.)1-15/16
Sensor TypeBimetal
CharacteristicsSelf-cleaning, Slide Action, Noiseless Operation
For Use With Non-inductive Electric Heating Loads, Electric Baseboard, Heat Cable or Ceiling Panels
Application Electric baseboards, convectors and fan forced heaters (resistive rated loads).
Voltage Range120 to 277VAC
Contact Rating Resistive @ 120V (A)22
Contact Rating Resistive @ 240V (A)22
Contact Rating Resistive @ 277V (A)19
Includes Range stops, locking cover and extra knob decal for recalibration
Dimensions (in.)4 9/16 in. high x 2 7/8 in. wide x 1 15/16 in. deep
Dimensions (mm)116 mm high x 73 mm wide x 33 mm deep
Electrical RatingsNon-inductive resistive 22A at 120/208/240 Vac. 19A at 277 Vac.
Frequency60 Hz
Stages1 Heat
Approvals, Underwriters Laboratories IncListed; File No. E4436, Guide No. XAPX
Approvals, CSAListed: File No. LR1322
UPC 085267000512
Weight 0.300000


Line Voltage ThermostatsMount to standard 2" x 4" vertical box. UL Listed, except 4NE56. Additional agency standards as noted. 2E831Includes thermometer and locking cover.

Electric Heat Line Voltage Thermostat, Non Inductive Rating @ 120 VAC 22 Amps, Non Inductive Rating @ 240 VAC 22 Amps, Non Inductive Rating @ 277 VAC 19 Amps, Switch Action Open on Rise, Switch SPST, Temperature Differential 3 Degrees Fahrenheit, Temperature Range 40 to 80 Degrees Fahrenheit, Height 4 17/32 Inches, Width 2 29/32 Inches, Depth 2 3/16 Inches, Color Beige

Customer Reviews

Average Product Rating: 5
based on 2 reviews

Ceiling Heat Cable Thermostat

Tuesday, February 28, 2012

It was very easy to replace and appearance is much better than the original thermostat. If you are looking for a thermostat for ceiling heat cable this is the one.

Accuracy, price, shipping

Submitted by Ken


Thursday, January 05, 2012

Reliable manual line voltage thermostat with built in thermometer.

It is simple and easy to use without reading an owners manual

Submitted by Robert S
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