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Aprilaire 4975 Membrane Switch

Aprilaire 4975 Membrane Switch
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Aprilaire 4975 Membrane Switch

Aprilaire 4975 Membrane Switch

SKU: 4975
Rating: (1)
Quantity Price Stock
Usually Ships 1 Week
Usually Ships 1 Week
$41.19     /ea
Usually Ships 1 Week
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$0.00
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$0.00
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4975
The 4975 Membrane Switch is a replacement control interface designed for Aprilaire 800 Humidifier.  The touchpad has 5 settings: On/Off, Fill, Steam, Drain, and Service.


Display Panel Light Indicator:
 
SETTING LIGHT DESCRIPTION
ON / OFF Off Humidifier is OFF or not receiving power
Solid Green Humidifier is ON
Flashing Green
Preparing to turn ON
Power is disconnected and then restored with Switch On. Flashes for 1 min.
FILL Solid Green Normal Operation
Flashing Green Flashes 10 times in 4 sec. The fill and drain valves dislodge mineral build-up
Solid Red Humidifier stops operating
STEAM Off No steam
Solid Green Normal Operation of Humidifier
Solid Yellow Produces steam but less than the rated capacity rate.
DRAIN Off Drain valve is not energized
Solid Green Drain valve is energized
Flashing Green Preparing to drain
SERVICE Flashing Red Canister end of life. Continuous operation but at reduced capacity
Solid Red Requires service

Download Product Information:

Aprilaire Model 800 Humidifier User Manual

By Stan

from

Yes, I would recommend this product to a friend or co-worker

5.0 $900 humidifier saved!

Best price around, fast shipping to US from Canada. OEM part fixed the issue with a $900 humidifier that was useless without that switch.

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