The STAS-48 uses part number 060274 (X27458-1)

Safety Integrated: Features high-cycle redundant safety shutoff valves that meet strict AGA design certificates for residential gas-fired appliances

Professional Grade: Authentic OEM boiler parts ensure exact fitment and longevity compared to generic aftermarket alternatives

This ambient temperature sensor facilitates real-time data transmission to the system control board

Can this board be used in both furnace and air handler applications

Browning 2BK70H Sheave 321894-706 The STAS-48 uses part numberThe Browning 2BK70H Sheave is a high grade cast iron pulley engineered for heavy duty industrial and HVACR power transmission applications. Featuring a 6. 75" outside diameter, this double groove sheave is designed for use with H series bushings, ensuring a secure and concentric fit on the shaft to minimize vibration. It is precision machined to accommodate 4L, 5L, A, and B belts, providing versatile cross compatibility for belt driven blowers and