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Direct OEM Compatibility: Replaces Lennox part number 73W20 and 102857-07 across multiple furnace product lines
and Fasco models
maintaining oil viscosity and protecting the internal reciprocating or scroll components from excessive wear
this replacement tube ensures accurate flame monitoring in high-demand burner environments
Functional Devices TR75VA007 Transformer Refrigerant Direct OEM Compatibility: Replaces LennoxThe Functional Devices TR75VA007 is a versatile, high capacity 75VA step down transformer engineered for reliable 24Vac power in demanding commercial hvac and building automation systems. Built with a split bobbin construction, this unit offers multi tap primary voltage flexibility, supporting 480 240 208 120Vac inputs. This makes it an ideal universal replacement for technicians managing diverse site voltages. To protect sensitive downstream
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