the technician will reuse the existing cap screw to seal the regulator tower after the internal spring swap

As a genuine Reznor replacement part

it can be used in HCFC systems

Durable Alloy Construction: High-grade metal housing resists thermal expansion and corrosion in high-cycle environments

preventing dangerous automatic cycling during an overheat condition

York S1-025-27773-700 Flame Sensor the technician will reuse theThe York S1 025 27773 700 Flame Sensor is a critical OEM component designed for precise flame rectification in high efficiency York gas furnaces and HVAC units. Engineered to interface with the integrated furnace control board, this rod utilizes a microamp signal to confirm the presence of a pilot or burner flame, preventing hazardous unburned gas buildup and nuisance lockout codes. This sensor features a high grade Kanthal alloy probe to withstand