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Designed for compatibility with Lennox indoor coils and air handlers
manifold pressure for optimized burner performance
Can I use a 230V motor as a substitute for this 265V model
Key Benefits Precision Calibration: Maintains a strict 10k Ohm resistance @ 25°C to ensure accurate communication with York Millenium or OptiView control centers
CSA-certified solution that meets FT1 flame test requirements
ClimateMaster 33B0045N04 Expansion Valve 319847-401 Designed for compatibility with LennoxThe ClimateMaster 33B0045N04 Expansion Valve is a critical metering device designed for precise refrigerant control within high efficiency geothermal and water source heat pump cycles. As a genuine OEM ClimateMaster replacement part, this thermal expansion valve (TXV) ensures the evaporator coil receives the exact mass flow of refrigerant required to maintain optimal superheat across varying load conditions. For a field technician, the 33B0045N04 is
US$ 49.95
US$ 49.95
US$ 64.95