Description
The Honeywell/Resideo RC840T-277 is compatible with 2- and 3-wire thermostat, this all-in-one relay includes a built-in 24 V transformer.
Features:
- Direct replacement for any brand name relay
- Built-in 24 V transformer for easy installation.
- Compatible with 24V thermostats with 2-wire connections (R,W) or 3-wire connections (R,W,C)
- Immediate relay activation provides improved temperature control and comfort
- Epoxy-soundproofed relay ensures quiet operation
- Terminal board connection enables easy installation
- Low current consumption means multiple relays can be controllers by a single thermostat
