Fiorentini F31151-2BP Balanced ValveThe Fiorentini F31151 2BP is a 3 4 in balanced valve built for precise control and full lockup, featuring a robust 5 in diaphragm for dependable operation. Designed for safety and reliability, this valve includes internal sensing and a compact 1 4 in vent to streamline integration into tight systems. Engineered for compatibility across HVAC, plumbing, and process industries, this valve supports reliable leak prevention and quick response times. Its

Direct-fit replacement for Armstrong 67M54 and LB-107228C installations

Compatibility: Used on Model/Brand KBN400/KBN501 Knight XL boilers

9 s with spring return

Temperature rating Up to 160°F for consistent hot water

and general switching

Nominal Size: 1/2" x 3/4"

and aligns with standard service schedules for HVAC and other monitoring applications

making quick

The Fasco Draft Inducers A138 Blower is a compact

Nominal Size & Ends: 1/2 inch

Gas type: Natural gas

26 gauge (gate and collar)