Belimo B309B+TR24-3 Valve Assembly 322838-752 What is the difference between

What is the difference between the 4074EDC and 4074EDC/U

Enhanced Reliability: Genuine Trane OEM construction ensures precise voltage regulation and long-term durability in harsh environments

Water Hammer Resilience: The inverted bucket mechanism is naturally buoyant and handles sudden pressure surges better than float-type or thermostatic alternatives

As a direct replacement for the P282-0632

Belimo B309B+TR24-3 Valve Assembly 322838-752 What is the difference betweenThe Belimo B309B+TR24 3 Valve Assembly is a high precision solution for managing hydronic systems in commercial HVACR applications. This 3 way characterized control valve (CCV) features a 1 2 inch NPT connection and is designed for mixing or diverting chilled or hot water with up to 60% glycol. With a Cv of 0. 8, it provides an equal percentage flow characteristic through the A port, effectively preventing control loop hunting and maintaining stable