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This Barber Colman MP-2130-500 is architecturally identical to the EA-21 and EA-23 series
Ensure you verify the mounting hole alignment against your specific model’s serial plate to confirm a 1:1 match before securing the new hardware
this SPST (Single Pole Single Throw) switch ensures the blower motor is moving sufficient air for combustion before allowing the ignition sequence to proceed
20 and UL 372 standards
Industrial Durability: Constructed from high-quality galvanized steel to resist corrosion and withstand high flue gas temperatures
Siemens Building Technology QFM2171 326058-756 This Barber Colman MP-2130-500 isThe Siemens Building Technology QFM2171 is a high performance duct relative humidity and temperature sensor designed for integration into commercial HVAC systems. This Q Series duct sensor utilizes a 4 20mA output signal for both RH and temperature, providing stable and precise data transmission even over long wire runs. Engineered for 5% accuracy, the QFM2171 is ideal for BAS (Building Automation Systems) that require reliable monitoring of supply,
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