Replacing brittle or illegible covers is essential for preventing unauthorized setpoint tampering and protecting internal pneumatic internals from particulate ingress

which is standard for most two-story residential systems

a barb union adapter is required

Industrial-Grade SPST Contacts: High-quality electrical terminals designed to handle inductive loads without premature pitting or failure

Lochinvar & A.O. Smith 100113155 Power Supply 326058-758 Replacing brittle or illegible coversThe Lochinvar & A. O. Smith 100113155 Power Supply Assembly is a critical OEM replacement part engineered for high efficiency commercial and residential water heating systems. Designed specifically for Cyclone gas water heater models, this assembly regulates internal voltage to ensure consistent performance of the CCB board and integrated control circuits. This component serves as a direct replacement for the legacy A. O. Smith 9008872005 power