This part is the standard 2-5" w

manifold pressure

35" WC for optimized appliance combustion

ensuring compatibility with standard 1-1/8 inch OD copper tubing

Maxitrol R11110-48 Spring This part is the standardOptimize your gas pressure control with the Maxitrol R11110 48, a high precision orange spring designed for industrial and commercial HVAC gas regulators. This OEM component is specifically engineered for the Maxitrol RV111 and 210G series, providing a stable 4 8" W. C. (Water Column) outlet pressure range. As a veteran technician knows, maintaining the correct spring tension is critical for the balanced valve design of the 210 series, ensuring