With a compact 3

drop-in replacement

monitoring internal heat exchanger temperatures to prevent overheating

and G96/G960 series valves

Functional Devices RIB2421B Relay With a compact 3The Functional Devices RIB2421B is a versatile enclosed relay designed for demanding commercial and industrial power control applications. This SPDT relay features a 20 Amp contact rating, making it a reliable choice for switching HVAC control systems, motors, and lighting loads. Built for convenience, the "Relay in a Box" design includes pre wired 16 inch, 600V rated leads and a 1 2" NPT nipple, allowing for rapid installation into a standard conduit