Lennox 98L31 Natural Orifice 319847-401 What does a low pressure

What does a low pressure switch do in a heat pump

Broad Compatibility: Serves as the primary Nordyne furnace limit switch for several mobile home and residential HVAC platforms

this non-ozone depleting refrigerant requires POE (Polyolester) lubricant for proper oil return and compressor reliability

Common Questions Is the TD244P compatible with all Maxitrol sensors

it features a 1/4" Male Flare (MFLR) by 1/4" Female Flare (FFLR) connection

Lennox 98L31 Natural Orifice 319847-401 What does a low pressureThe 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