Lennox 87X51 – AprilAire 4240 Male Disconnect Assembly is a genuine OEM electrical connector designed for reliable power disconnection in compatible humidification and HVAC control applications. This male disconnect assembly is commonly used in AprilAire humidifier systems supplied through Lennox distribution channels, providing a secure and service-friendly electrical connection point.

Manufactured to OEM specifications, this component ensures proper fit, electrical integrity, and long-term durability in residential and light commercial HVAC environments. It is ideal for replacement during service, maintenance, or repair when the original connector is damaged, corroded, or worn.

Product overview
This male disconnect assembly allows quick and safe electrical separation during servicing while maintaining consistent electrical contact during operation. Designed for seamless integration with approved AprilAire assemblies, it helps maintain system reliability and reduces downtime during maintenance.

 

Specifications:

• Part number: Lennox 87X51
• Manufacturer reference: AprilAire 4240
• Component type: Male disconnect electrical assembly
• Application: HVAC and humidifier electrical connections
• OEM fit and function

 

Compatibility:

• Select AprilAire humidifiers and related HVAC control assemblies
• Lennox systems utilizing AprilAire OEM components