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including TCD
making it a versatile choice for maintaining tight building automation setpoints
Built for the veteran technician
the HH18HA120 offers a compact form factor for swift installation in tight furnace or air handler cabinets
Lennox 27M18 Orifice 321702-401 including TCDThe Lennox 27M18 Orifice is a precision engineered 052 sized flow control component essential for maintaining the manifold pressure and combustion efficiency of Lennox commercial and residential heating systems. Designed as a direct OEM replacement part, this orifice (MPN: 27M18, replaces LB 99225) ensures accurate gas metering for Lennox T Class rooftop units and gas furnaces, specifically compatible with models including KGA036S4, KGA092, and LGH180
US$ 187.98
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US$ 102.49
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