AERCO Boiler and Water Heater 27130-9 Pressure Switch Kit 320734-701 this motor is designed as

this motor is designed as a multi-mount or shaft-up/down unit capable of handling varied condenser orientations as long as the RPM and voltage match the original specs

OEM Compatibility: Replaces Lennox part numbers 78W99

regulating fan control

This part is fully compatible with natural gas

localized overheating

AERCO Boiler and Water Heater 27130-9 Pressure Switch Kit 320734-701 this motor is designed asThe 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