



Xpelair DT20B Automatic Time Delay Controller
DT20B
Xpelair DT20B Automatic Time Delay Controller – Smart Ventilation Control
The Xpelair DT20B Automatic Time Delay Controller is designed to provide efficient and automatic control of ventilation systems. Typically wired into the lighting circuit, it ensures fans continue running for a set period after the lights are switched off, improving air circulation and reducing excess humidity.
• Automatic Operation: Activates the fan when the lighting circuit is switched on.
• Adjustable Time Delay: Keeps the fan running for a preset period after lights are turned off.
• Improved Air Quality: Helps to reduce condensation, humidity, and odours.
• Seamless Integration: Designed for easy connection to existing lighting circuits.
• Reliable Performance: Ensures consistent ventilation in bathrooms, toilets, and other areas.
Technical Specification
• Model: Xpelair DT20B
• Function: Automatic time delay control
• Operation: Connected to lighting circuit
• Application: Suitable for use with extractor fans
• Timer Setting: Adjustable run-on period
✅ Enhance ventilation efficiency with the Xpelair DT20B – automatic, reliable, and easy to install!
C/w Humidistat | N |
C/w Pullcord | N |
Ean Code | 5013562218504 |
Product | Fan Controller |
Type | Time Delay |
Voltage | 200/240 V |
Mounting | Surface/Recess |
Use | Domestic |
Frequency | 50 Hz |
Overall Length | 86 mm |
Overall Depth | 45 mm |
Overall Width | 100 mm |
Shape | Rectangular |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
- STANDARD DELIVERY – 2–3 Working Days From Despatch (subject to stock availability) - £4.99 inc-VAT. (£4.16 ex-VAT)
- Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
- Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).
Items requiring specialist shipping:
- Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.
**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).
Contact us if you have any further questions.