Itron-Actaris B31R-3/4 Regulator R-410A allowing for precise airflow adjustment

allowing for precise airflow adjustment and system balancing

Why should I choose the 669943R over the older 669943

How do I know if my P291-4004R needs replacement

long line set applications

What probe is used with this control

Itron-Actaris B31R-3/4 Regulator R-410A allowing for precise airflow adjustmentThe Itron Actaris B31R 3 4 Regulator is a job site standard for light commercial and industrial natural gas distribution. Engineered for utility service regulation and furnace gas pressure control, this model features a 3 4" NPT valve body constructed from high tensile cast iron. The internal 1 2" orifice is paired with a gray spring (part number 762121), providing a stable outlet pressure range of 4 to 9 inches Water Column (w. c.). Designed with a