The EPH TR1 and TR2 RF Transceiver Pack provides professional wireless signal transmission for heating system applications where hardwired connections are restricted. This dual-unit system facilitates bidirectional communication between two locations, allowing for the remote switching of external boilers, underfloor heating manifolds, and pump overrun systems. Engineered for reliability in both residential and commercial settings, the system operates on a 230 Vac 50Hz power supply with a robust 250 Vac 10(3)A contact rating. By removing the requirement for physical cabling, this transceiver kit streamlines installation in retrofit projects and complex building layouts, ensuring dependable control without the need for traditional wiring routes.