If the external valve body remains structurally sound but the system is experiencing bypass leakage or erratic modulation

and CR34KF-PFV configurations

offering better efficiency and a reduced risk of leaks over time

Kit is your go-to OEM replacement

Critical for maintaining ASME and ANSI safety standards in commercial water heating applications

Lennox 98M38 Pully 319848-301 If the external valve bodyWhen high performance commercial HVAC units demand precise blower speed and torque adjustments, the Lennox 98M38 Pulley provides the required mechanical stability for continuous operation. This OEM Blower Pulley is a cast iron component designed specifically for heavy duty 1 7 16 inch drive shafts. Engineered as a single groove pulley, it matches the exact pitch and profile required for Lennox LCH or KCA series units, ensuring that motor energy is