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wire-drawing on the needle seat
Common Questions When should I use Type H Oil instead of Type K
Machined from a single solid piece of 304 stainless steel
Key Benefits Adjustable Vane System: Multi-layer stainless steel paddles can be trimmed to fit pipe sizes from 1" up to 8"
Lennox 98L31 Natural Orifice 320788-704 wire-drawing on the needle seatThe 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