Field technicians should verify the specific HVAC access panel hardware requirements against the unit's model and serial plate to ensure exact mechanical compatibility with the pre-drilled mounting patterns

optimized for industrial and commercial heating applications

and standard On/Off 24Vac/Vdc operations

While it is an OEM Lennox part

DA Cool Stat 55-85F HORIZ

Beckett Igniter PF205N2U Pump 320788-704 Field technicians should verify theThe Beckett Igniter PF205N2U Pump is a critical component for technicians servicing high capacity oil heating systems requiring stable fuel delivery. This single stage unit operates at 1725 RPM, providing a consistent 7 GPM flow rate at 100 PSI. Designed for direct mounting on Beckett burners, the PF205N2U oil pump features a compact footprint and reliable mechanical seal to prevent leaks during high pressure cycles. Its precision engineered gear set