Key Benefits High Precision Regulation: Maintains output pressure within +/- 0

this model is a direct functional equivalent to the Barber Colman 2474-140 and MK-574-51

This valve is the industry standard for stabilizing saturated steam pressures in large-scale HVACR applications

Key Benefits Altitude-Specific Calibration: Factory-set at 0

Modular Maintenance: Identical to XC-726RZ-2B

Lennox 10H14 Blower Pulley R-407C Key Benefits High Precision Regulation:When you're out in the field dealing with a slipped belt or a noisy drive assembly, the Lennox 10H14 Blower Pulley is the exact OEM spec you need to restore proper HVAC airflow performance. This high durability cast iron finished bore pulley is engineered specifically for Lennox, Allied, and Armstrong air handlers. Featuring a 4. 45 inch outside diameter and a precise 5 8 inch bore, this 1 groove blower pulley provides the exact torque transfer