Watts 0386456 Regulator R-410A Precision Fit: Designed for the

Precision Fit: Designed for the 100208106 front header

If the motor hums but the blade remains stationary

meaning it will restore the circuit once the sensed temperature rises to the 58°F close setpoint

Enhanced Ignition Reliability: The spark-to-pilot ignition design provides consistent natural gas burner startup even in cold-cycle conditions

sensitive regulation through advanced internal dampening for improved stability and reduced "hunting

Watts 0386456 Regulator R-410A Precision Fit: Designed for theThe Watts 0386456 is a high capacity bronze feed water pressure regulator engineered for commercial and residential hydronic heating systems. As the direct professional replacement for the Watts 0322825 (N256), this 3 4" NPT valve maintains consistent system pressure while providing essential make up water to compensate for system leaks. The unit features a rugged bronze body construction and is factory set at 15 psi, with an adjustable reduced