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The Aprilaire 4087 is compatible with the following humidifier models:
The Aprilaire Humidifier Float Valve Assembly 4087 is a humidifier float valve that fits the Aprilaire 445 Humidifier. This part features sturdy and durable construction, which results in a performance level that is long lasting and of high quality. The Aprilaire 4087 is low on maintenance for your convenience and is easy to install in order to get your humidifier up and running at its optimal performance standard.
Aprilaire Humidifier Float Valve Assembly 4087 specifications: