Lochinvar & A.O. Smith 100309395 Assembly R-407A While homeowners can purchase the

While homeowners can purchase the part

Built for durability in demanding hydronic environments

the stainless steel float ball must be purchased separately if your existing one is waterlogged or damaged

For outdoor or wet-location requirements

Lochinvar & A.O. Smith 100309395 Assembly R-407A While homeowners can purchase theThe Lochinvar & A. O. Smith 100309395 Assembly is a vital Universal ES Module Assembly engineered for precision ignition control and burner management in high efficiency gas fired systems. Designed as a direct OEM replacement part, this module facilitates seamless communication between the thermostat and the combustion assembly, ensuring safe and reliable water heater operation. As a veteran in the field, you know that HVAC control board