Manufacturer Name: Weil McLain Product Number: 511-330-221 OEM Part Number: 511-330-221 Product Description: Pilot Burner Assembly,Nat Gas Weight:0.51lbs/231.33g The Weil McLain 511-330-221 Pilot Burner Assembly, which is specifically developed for natural gas usage, is a critical component of HVAC systems. This assembly serves as the gas-fired equipment's ignition source, such... https://www.partshnc.com/pilot-burner-assemblynat-gas