
PB-UMC2-RS1
The Polar Bear Design PB-UMC2-RS1 is a versatile UMC Heating Control Unit, designed for efficient management of residential and commercial heating systems. It features 9 relay outputs (AC or DC rated), 4 programmable inputs, and 4 digital volt-free inputs, providing precise control of manifold and zone heating. With a DC pump relay output (auto/manual) and eight zone relay outputs, this unit ensures reliable, multi-zone heating management and seamless integration with building control systems.