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Rosewood paper grain — description and returns beneath the overlapping buy card.
Key Benefits Dual-Fuel Versatility: Includes calibrated orifices for both Natural Gas (
This pump is commonly utilized in the Lochinvar Knight XL and Copper-Fin II series where a 3/4 HP high-head circulator is specified for the primary or secondary loop
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Professional Grade Durability: Designed for long-term reliability in the field
Common Service Questions: Is the P322391 compatible with older P321828 installations
Lennox 56L56 Orifice 319852-301 Key Benefits Dual-Fuel Versatility: IncludesThe Lennox 56L56 LP Orifice is a high precision tapered orifice engineered for liquid propane (LP) conversion and gas flow regulation in residential heating systems. Also designated under the part number 56L5601, this authentic OEM Lennox replacement part is critical for technicians performing a natural gas to LP conversion on compatible furnace and unit heater models. It ensures the correct stoichiometric ratio by meting fuel into the burner assembly