Simplified Integration: Designed for rapid snap-on mounting of A419 series controls and R353/S353 sequencers

This automatic limit control is essential for troubleshooting furnace cycling issues where the blower continues to run but the burners are disabled

What causes a control housing to fail

If your system requires both legs to be disconnected for safety or code compliance

Belimo B220B Valve Els PW 17895 Simplified Integration: Designed for rapidWhen you need precise flow control in hydronic systems, the Belimo B220B Valve is a solid choice. This 3 4" 2 way ball valve, a true Characterized Control Valve (CCV), is engineered for reliable performance in both chilled water and hot water applications, handling up to 60% glycol solutions. With a robust nickel plated forged brass body, chrome plated brass ball, and nickel plated brass stem, it's built to last. The Cv 14 rating and equal percentage