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Direct Cross-Reference Compatibility: Designed as the official replacement for model 71093A73117
Key Benefits Includes a factory-installed #50 orifice for calibrated propane (LP) gas delivery
as this can damage the electronic amplifier components
System Efficiency: Restores peak performance of variable-speed fan coils and complex HVAC cycles
Field Controls 46220901 Control 319852-301 Direct Cross-Reference Compatibility: Designed asAs a seasoned tech, you know that consistent performance in oil and coal fired systems depends on precise draft management. The Field Controls 46220901, also known as the Model 4" RC, is the industry standard for maintaining a stable barometric draft in residential and light commercial 4 inch flue applications. This single acting barometric draft control is calibrated to counteract the negative effects of varying stack temperatures, wind fluctuations,
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