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Duotone aurora — cool blue brief on the left, soft violet sheet on the right for cargo details.
optimizing system FER ratings
regulating fan control
effectively reducing system downtime and protecting the longevity of downstream modules
This reverse acting unit features a horizontal mount configuration and a standard 55-85°F dial range
OEM Compatibility: Replaces Lennox part numbers 78W99
AERCO Boiler and Water Heater 27130-9 Pressure Switch Kit 320734-701 optimizing system FER ratingsThe AERCO 27130 9 Blocked Inlet Pressure Switch Kit is a critical safety and monitoring component engineered for use with compatible AERCO commercial boilers and water heaters. This AERCO 27130 9 blocked inlet pressure switch kit monitors combustion air intake conditions and helps detect restrictions that may affect system performance, efficiency, and safe operation. By providing accurate inlet pressure sensing, the switch helps ensure the equipment
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