Lochinvar & A.O. Smith 100110783 Pressure Switch 340155-7026 making it a direct replacement

making it a direct replacement or expansion part for professional contractors

or visible corrosion on the blower housing that disrupts proper venting

Universal Compatibility: Serves as the standard replacement for all ZoneFirst plug-in dampers using 12V DC power architecture

While a direct replacement for 8201-113

Lochinvar & A.O. Smith 100110783 Pressure Switch 340155-7026 making it a direct replacementThe 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