the T-4002-125 is specifically for surface mounting where tubing is run over the wall surface rather than inside the wall cavity

This unit is optimized for NG heating systems

Rapid Installation: Streamlines the mounting process

The York S1-331-09150-002 Control Board is a critical OEM replacement for Simplicity 1A 2-Stage Control Kit configurations in commercial and residential York equipment

Browning 5L340 Belt 320819-301 the T-4002-125 is specifically forThe Browning 5L340 Belt is a heavy duty fractional horsepower (FHP) V belt engineered for reliable power transmission in light duty industrial and commercial HVACR applications. Specifically designed as a 34" outside diameter type 5L belt, it features a 21 32" top width and a 3 8" thickness. Constructed with high quality synthetic rubber and reinforced polyester cords, this industrial V belt provides superior resistance to oil, heat, and ozone,