When there’s not enough wires, this is the answer! Whether you are upgrading a client with a new multi-stage condensing unit or heat pump, digital thermostat, or simply have a broken wire, the iO-WR Wireless Relay Kit from iO HVAC Controls can save you time, labor, and money. Not enough wires? The iO Wireless Relay kit is the solution! The iO-WR allows you to wirelessly control hundreds of applications. It can energize a relay up to 100′ depending on the construction of the building. Also, up to six (6) Wireless Relay Kits can be installed in the same building. The iO-WR Kit contains two 4-channel transceivers. The base module has 3 transmitting channels and 1 receiving channel. The satellite module has 3 receiving channels and 1 transmitting channel. Each transceiver module uses a redundant transmission protocol for fail-safe protection. If either module does not receive a valid ON or OFF transmission signal within 60 seconds, the output or outputs will be turned off. Control Applications:• Replace broken wires• Cooling equipment• Heating equipment• Condensing units• Fans• Pumps• Industrial equipment• Lighting control Monitoring Applications:• Cooling equipment• Heating equipment• Fans• Industrial equipment• Temperature limits• Pressure limits The iO-WR can end your frustration on many applications when pulling additional wire is not possible. Specifications: Warranty 1 Year Input Voltage 24V Frequency 915 MHz UPC 840119900675 Made in the USA Technical Documents: Product Brochure Troubleshooting Guide Dry Contact Wiring Diagram Installation Manual