Pay in 4 interest-free payments of $42.51 Learn more
Ships within 48 hours · Estimated delivery Sep 8 - Sep 13
Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
The kit is a complete burner and door assembly
Failure to equalize these pressures significantly reduces the tank's 3
The internal filtration media is rated at 40 microns
eliminating the need for complex internal lead swapping
As a genuine Burnham replacement part
Lochinvar & A.O. Smith 100109314 Burner 318973-401 The kit is a completeThe Lochinvar & A. O. Smith 100109314 Burner Assembly is a factory spec NAT FV BURNER ASSY #33 ORF engineered for high efficiency residential and commercial natural gas water heaters. As a critical combustion component, this OEM burner door assembly facilitates a precise fuel to air ratio to maintain system integrity and prevent flame failure conditions. It includes a calibrated #33 orifice, ensuring consistent thermal output and clean combustion for