Step-opening valves require a different regulation profile

this tee features 3/8 SAE Flare connections on the run and a 1/4 MPT (Male Pipe Thread) center branch

verifying the specific model number is recommended for the best seal

If the switch has tripped

providing the high sensitivity and linear response necessary for accurate environmental monitoring

Lennox 12K48 Orifice Step-opening valves require a differentThe Lennox 12K48 LP Burner Orifice is a critical component for maintaining precise manifold pressure in Lennox furnace LP conversion kits. Engineered with a specific drill size calibrated for Propane (Liquid Petroleum) applications, this brass burner orifice ensures the correct air to fuel ratio demanded by high efficiency heating systems. Whether you are performing a seasonal tune up or a full field conversion, using OEM Lennox replacement parts is