Carrier P461-3505 Sheave R-22 Is the 1-1/4" MNPT inlet

Is the 1-1/4" MNPT inlet compatible with standard pipe fittings

the backlight inverter board with its specific ribbon cable

Ensure you verify current oil levels and suction/discharge line compatibility—typically 1/2" and 5/16" respectively—prior to brazing

The Belimo B216B Valve is a high-performance

Smith 100208619 Wire Harness is a critical step for maintaining signal integrity between the boiler control board and the gas valve

Carrier P461-3505 Sheave R-22 Is the 1-1/4" MNPT inletThe Carrier P461 3505 Sheave is a high grade cast iron blower pulley engineered for precise power transmission in commercial and residential HVACR assemblies. Featuring a 5 8 inch bore and a 4 inch outer diameter, this C. I. sheave is designed to maintain consistent belt tension and reduce slippage in high torque environments. With a pitch diameter ranging from 2. 4 to 3. 4 inches, it offers the versatile adjustment needed to fine tune blower speeds