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How do I wire my Relay-25?

1 min read · Updated Apr 2024

The Relay-25 fits in a standard single gang box. It is used in conjunction with Warmup Smart thermostats to expand the original 15 amp capacity.

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Built for quiet operation, you can mount the relay-25 in an adjacent closet or a space above or below. It connects to Warmup Smart thermostats via a 240V coil on the relay. This relay is for use with indoor floor heating systems only.

For more information, please refer to the thermostat manual or the Relay-25 specifications with wiring diagrams.

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