SunStat Relay III for extending your system beyond 15 amps

Availability: In stock

The Relay III must be installed with and can only be controlled by either a SunStat Connect 500875, a SunStat Command 500850 or a SunStat Core 500825  thermostat.

Features and Benefits:

  • Built-in Class A GFCI  test light and button with 5-milliamp trip for safety
  • Dual-voltage 120/240 VAC
  • LED indicator lights  for power, heating, GFCI test/trip modes and troubleshooting
  • Paintable cover  for a custom installation
  • Controls up to  150 sq. ft. (1800 watts) at 120 V, or 300 sq. ft. (3600 watts) at 240 V
  • 3-year manufacturer warranty
Floor Sensor Length Ft 15' Sensor
Floor Sensor Length Meters 4.57
GFCI / GFEP Protection 5 mA Class A Built In - With Test Button Feature & indicator light
Manual Override Yes
Display Height 1 3/4"
Display Width 2 1/4"
Inside Box Depth 15/16" (23.8 mm)
Inside Box Height 2 3/4" (69.8 mm)
Inside Box Width 1 11/16" (42.9 mm)
What's In The Box Relay, wire nuts, screwdriver, mounting screws
UPC 840213158156
Warranty from Manufacturer 3 yr
Manufacturer Watts Radiant
Safety Listing Safety Listed in USA & Canada : UL 873, UL 943 & CSA C22.2 No. 24, CSA/CAN C22.2 No.144, ETL Control No. 3037530
Maximum Setting Temp 99° F (37° C)
Senses Ambient Air Temperature Yes
Senses Ambient Air w/ Floor Temp option Yes
Minimum Display Temp 32° F (0° C)
Maximum Display Temp 99° F (37° C)
Programming Method None
Thermostat Type Relay
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