Sensus 121-8-1 1/4 Regulator R-410A audible air leaks near the

audible air leaks near the blower assembly

allowing for targeted cleaning or replacement of the flame rod rather than trial-and-error part swapping

a dedicated boot holder

What are the wiring requirements for this 3-phase model

For service technicians and mechanical contractors maintaining Trane and American Standard equipment

Sensus 121-8-1 1/4 Regulator R-410A audible air leaks near theThe Sensus 121 8 1 1 4 gas regulator is a heavy duty industrial regulator designed for high capacity applications requiring precise pressure control. Engineered for natural gas service and industrial combustion systems, this 1 1 4 inch NPT regulator features a 1. 5 12 inch W. C. spring to ensure stable downstream pressure. The Model 121 8 is frequently utilized in commercial boilers and furnaces where rapid response to flow changes is critical. Its