compatible with standard 5/32-inch or 1/4-inch OD polytubing

this 1-inch NPT valve offers a high flow coefficient (13 Cv)

Always verify the rotation of the existing fan wheel before installation

Attempting to modify the hub will compromise the balance and safety of the unit

Is the mounting bracket mandatory for installation

Lochinvar & A.O. Smith 100109280 Burner Assembly 322055-301 compatible with standard 5/32-inch orThe Lochinvar & A. O. Smith 100109280 Burner Assembly is a high precision OEM replacement engineered for Natural Gas (NAT) water heaters and boilers requiring a #33 orifice size. This FV (Flammable Vapor) burner assembly is critical for maintaining the stoichiometric balance required for efficient combustion and stable flame patterns in high recovery heating systems. Designed to meet strict safety standards, this assembly promotes optimal heat