Aprilaire 51 Relay L99H008 Versatile Application: Suitable for use

Versatile Application: Suitable for use in unit heaters

Can this switch be used for waterflow alarm signaling

Direct Compatibility: Engineered as an exact fit for McQuay 300033701 and Daikin Applied HVAC systems to reduce installation downtime

Replacing a faulty 10728329 is essential when troubleshooting a furnace blower running constantly or a unit that fails to initiate the ignition sequence due to an open safety circuit

Aprilaire 51 Relay L99H008 Versatile Application: Suitable for useThe Aprilaire 51 Relay is a high performance current sensing relay engineered for precision in 120V HVAC applications. Designed to monitor electrical load and trigger auxiliary equipment, this HVAC current switch ensures seamless synchronization between your furnace blower and accessories like whole house humidifiers or electronic air cleaners. This Aprilaire 51 sensing relay features a compact, durable design that simplifies the installation process