This 2-stage natural gas valve provides the throttle control and electrical reliability your clients expect during peak heating cycles

What is the difference between the A19AAC-63 and the A19AAC-63C

For technicians servicing Trane chiller systems such as the AquaStream

and feedback signals to meet specific site requirements

it is compatible with specific ECR International heating platforms

Lochinvar & A.O. Smith 100110783 Pressure Switch 321894-706 This 2-stage natural gas valveThe Lochinvar & A. O. Smith 100110783 Pressure Switch is a critical safety component engineered for high efficiency commercial and residential boilers and water heating systems. As a blocked inlet pressure switch, this OEM replacement part is calibrated to monitor airflow and combustion exhaust conditions. If the venting system becomes obstructed or the inducer motor fails to maintain the required pressure differential, this switch breaks the