The iO HVAC Controls WR is a wireless relay kit that includes the iO-WRBM base transceiver configured for 3 send-1 receive channels, and the iO-WRSM satellite transceiver for 3 receive-1 send channels.

This wireless relay can transmit signals over distances of up to 100 feet between two devices depending on the material composition of barriers, utilizing a 915MHz radio frequency.

The transceivers feature a pushbutton that allows for pairing or unpairing of devices and forces data transactions.  It also has a redundant transmission protocol to ensure failsafe operation.

The iO-WR kit is designed to wirelessly control and monitor fans, pumps, lighting, condensing units, industrial equipment, and heating or cooling systems, all powered by a 24 VAC supply.