Lennox 33J91 LP Gas Orifice

Lennox 33J91 LP Gas Orifice Overview

The Lennox 33J91 is an OEM replacement LP (liquid propane) gas orifice designed for use with compatible Lennox heating equipment. Engineered to deliver precise fuel metering, this orifice helps maintain proper combustion efficiency and consistent burner performance in LP gas-fired furnaces and heating systems.

Key Features

• OEM Lennox replacement part — ensures proper fit and function
• Designed for liquid propane (LP) gas applications
• Precision-machined orifice opening for accurate fuel flow metering
• Supports consistent combustion and efficient burner operation
• Direct replacement for compatible Lennox furnaces and heating units

Application

This LP gas orifice is intended for use in Lennox furnaces and heating appliances that require a propane fuel conversion or orifice replacement. Always verify compatibility with your specific Lennox model before installation. Consult the equipment’s service manual or a qualified HVAC technician to confirm the correct orifice sizing for your application.

Why Choose OEM Lennox Parts?

• Manufactured to Lennox specifications for reliable, long-lasting performance
• Helps maintain equipment warranty compliance
• Reduces the risk of combustion issues caused by incorrect orifice sizing
• Trusted by HVAC professionals for quality and dependability