this adjustable crankarm delivers the necessary flexibility to accommodate various linkage rod geometries and torque requirements

or the system failing to trigger the fan after the burners ignite

Designed for heavy-duty HVAC applications

and RIB2401C

Functional Devices RIB RIBM2401SB Relay this adjustable crankarm delivers theThe Functional Devices RIBM2401SB is a heavy duty, 4 inch track mount relay designed for demanding commercial and industrial HVACR control circuits. As a veteran preferred 20 Amp SPST relay, this unit features a versatile multi voltage coil that accepts 24 Vac dc or 120 Vac inputs, eliminating the need for multiple stocked parts on your service truck. The integrated manual override switch (Closed Open Auto) is an essential tool for field technicians,