The USG-4000 is a 15 A slave relay with built-in Class A GFCI that has been designed for use with UDG-4999 thermostats in floor heating applications that exceed 15 amps. Offering simple control of a room’s floor heat temperature. Links with UDG-4999 to provide single control of large heated floor area when load exceeds 15 amps.
Wet Floors. No Problem.
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The built-in Ground Fault Circuit Interrupt (GFCI) provides worry-free operation, even in wet environments.
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Large Space With Multiple Heaters. No Problem. Expand With Relays.
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UDG-499 Thermostats are compatible with USG-4000 relays to extend the heating zone beyond 15 Amp and control all from one master location.
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