Vent Axia Speed Controller HR500
VEN W14301010

It does what it says on the tin, this speed controller is a very good feature for the HR500.
It has knockouts for surface or recessed wiring which makes this conrtoller exteremly versatile.
You can also buy an optional flush fitting box to by with this product, if you would please give us a call and we will be able to help you with that.

Specification:

• One controller will operate a maximum of 2 HR500 or HR500X units.
• On/Off/Sensor mode.
• Choice of heat exchange or high/low speed extract fan mode.
• Infinitely variable speed control from low to high.
• Adjustable minimum speed.
• With integral thermal cut-out and circuit fuse protection.
• Requires 5 core cable.

Part Number – VEN W14301010