Routine cleaning and verifying the 24V supply can typically resolve this issue

technicians should retain the original knob from the existing unit during replacement

this balance port expansion valve ensures stable refrigerant flow control

utilizing the exact 22-133 sealing strip is essential to maintain the original IP rating of the modular manifold

Belimo G240B-N Valve 340155-7024 Routine cleaning and verifying theThe Belimo G240B N is a 1 1 2" NPT 2 way globe valve engineered for high precision throttling in hyronic systems and low pressure steam applications. Rated for ANSI Class 250, this valve features a robust bronze body and brass trim, making it a reliable choice for commercial HVAC control valve replacements. With a Cv of 28 and a modified equal percentage flow characteristic, it provides stable linear control for chilled water, hot water, and up to 60%