Belimo B340+ARB24-SR Valve Assembly Freon ensuring it functions as a

ensuring it functions as a critical replacement furnace heating element

Modular Compatibility: Purpose-built for AFB/NFB spring return actuators

the Lennox X0586 and X058601 are the same technical part number and share the exact same dimensions and performance specifications

This part is supplied as the valve body only

while the on-off system switch provides a positive shut-off for seasonal maintenance

Belimo B340+ARB24-SR Valve Assembly Freon ensuring it functions as aThe Belimo B340+ARB24 SR is a professional grade 1 1 2 inch 3 way characterized control valve (CCV) engineered for precision flow control in hydronic systems. This assembly features a stainless steel ball and stem to resist scaling and corrosion, paired with a Cv of 31 for high demand applications. The ARB24 SR non spring return actuator delivers 180 in lb of torque, ensuring reliable positioning under full differential pressure. Operating on a 24V AC