Our own guides to hand dryers and other restroom equipment.

What is the best hand dryer for you?
Push Button vs Automatic Hand Dryers
A Guide to Hand Dryer Noise
Dyson Resource Page
Excel Resource Page
FAQ: Faucets & Mixing Valves
FAQ: What is IP(X) Rating?
FAQ: Which hand dryer cover type should I choose?
FAQ: Drinking Fountains - Reversible vs Versatile
FAQ: Electrostatic Sprayers
Understanding World Dryer Model Numbers
Hand dryers for schools
Hand Dryers vs paper towels - Hygiene studies
Help! I received a damaged stainless steel item!

Information on hand dryers and commercial restroom accessories

Replacement Smart Sensor / Circuit Board (fits HAIR dryer versions of GXT9, EXT7, AD90)

Retail Price: $161.70

OUR PRICE: $101.85

Item Number: ADP-SM239-Hair

Quantity:

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OEM Replacement
SMART Sensor / Circuit Board for HAIR dryer versions of GXT9, EXT7, AD90 hand dryers
for American Dryer eXtremeAir Series Hand Dryers.

American Dryer Part Ref.: SM239-Hair

Note: For HAND dryer version, use part: SM239