a compatible multi-stage ClimateMaster controller is required

supporting additional accessories like smart thermostats and zoning modules

ensuring reliable on-off control for media like water and air

The Hydrolevel EL1214-LSV Sensing Probe (Part Number 45-227) is a professional-grade low water cut-off sensor engineered for hydronic and steam boiler applications where space is at a premium

Rapid Response: The poppet-style internal mechanism allows for nearly instantaneous switching and high-speed operation

Functional Devices RIBXGA Sensor 326058-756 a compatible multi-stage ClimateMaster controllerThe Functional Devices RIBXGA is a professional grade split core current sensor designed for accurate AC load monitoring in building automation systems. Engineered with a solid state current switch, this sensor provides a reliable digital output to controllers when current flow exceeds the field adjustable threshold. Its split core housing allows for seamless installation around existing conductors without disconnecting lines, making it an ideal