The Functional Devices RIBH2C Relay is a heavy-duty

The Ranco O16-261 Pressure Control is a professional-grade single-function low pressure switch engineered for high-stakes commercial HVACR environments

ensuring the system hits its designed SEER efficiency levels without compromising on decibel ratings

it cannot be used on single-phase residential power

a weekly blow-down is the minimum requirement to prevent sediment buildup from affecting the float-operated LWCO

Heil Quaker ICP 17123000A01738 Control Board 324846-701 The Functional Devices RIBH2C RelayThe Heil Quaker ICP 17123000A01738 Control Board is a critical OEM replacement part designed for high performance HVAC air handler systems. Engineered to serve as the primary logic center, this main control board manages essential cycles, including blower motor timing, fan speed regulation, and thermostat signal processing. As a direct fit component for Carrier and ICP branded equipment, it ensures seamless communication between the indoor and outdoor