Ensure you verify the valve model number prefix before installation to confirm this specific kit matches the 3-inch V43 valve configuration

Always check for 1

and residential A/C systems

preventing the system from failing to fire when a call for heat is initiated

Lochinvar & A.O. Smith 100146589 Gasket 322027-701 Ensure you verify the valveFor field technicians and mechanical contractors maintaining high performance Lochinvar or A. O. Smith systems, the 100146589 Gasket is a critical OEM replacement part designed for high temperature sealing environments. This silicone sponge gasket tape features a 1 4" x 5 8" profile and is supplied in a 15' roll, allowing for precise custom length applications across various boiler and water heater enclosures. Composed of durable silicone sponge