Functional Devices RIBU1C-N4 Relay Common indicators include a humming

Common indicators include a humming or buzzing sound from the control box

providing a consistent open circuit output between 26mV and 32mV

The 36T21 style construction offers reliable contact closure and thermal sensitivity suitable for demanding unit heater environments

this component ensures the exact volumetric flow of gas required for clean combustion and optimal thermal output

and 1C26 series

Functional Devices RIBU1C-N4 Relay Common indicators include a hummingThe Functional Devices RIBU1C N4 is a versatile enclosed pilot relay engineered for demanding HVACR and building automation applications requiring NEMA 4X weatherproofing. This SPDT relay features a multi voltage input range of 10 30 Vac Vdc or 120 Vac, making it a reliable choice for interfacing between low voltage control circuits and line voltage loads. With a 10 Amp contact rating, this unit is built for durability in harsh environments, utilizing