Lennox 98L31 Natural Orifice 320788-704 the 918-0043-00 features a rugged

the 918-0043-00 features a rugged belt-style construction with a 48-inch lead length

Key Benefits Adjustable Vane System: Multi-layer stainless steel paddles can be trimmed to fit pipe sizes from 1" up to 8"

typically up to 0

Common Questions When should I use Type H Oil instead of Type K

while this is a factory-spec part

Lennox 98L31 Natural Orifice 320788-704 the 918-0043-00 features a ruggedThe Lennox 98L31 is a precision engineered natural gas burner orifice designed to regulate fuel flow and ensure stoichiometric combustion in high efficiency heating systems. Featuring a . 0890 drill size and standard 1 8 27 NPT threads, this brass burner orifice serves as a critical component for technicians performing manifold adjustments or gas type conversions on compatible Lennox furnaces and boilers. The Lennox LB 99216 specification ensures that