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Enhanced Safety: Integrated Hall Effect sensor provides real-time RPM data to the control board to verify proper venting before the ignition sequence
Direct OEM Compatibility: This 6-ton TXV is a drop-in replacement for part numbers 78H40 and 78H4001
and Allied Air furnace units
Whether performing a routine pump replacement or a system overhaul
This pneumatic control valve is a standard-issue component for contractors maintaining Johnson Controls legacy systems or installing new pneumatic automation loops
Lennox 16A77 Pilot Orifice L99H008 Enhanced Safety: Integrated Hall EffectThe Lennox 16A77 Pilot Orifice is a heavy duty, brass component essential for maintaining the volumetric gas flow in intermittent and standing pilot ignition systems. This specific orifice features a 0. 011 inch aperture and a short insert inlet design, ensuring precise fuel to air ratios for a stable pilot flame. Designed for compatibility with high efficiency Lennox G11 and G12 series furnaces, this part is a direct replacement for Lennox 16A7701
