Kair Spare K-HRV150 Internal Transformer Trickle Boost Switch Assembly
£5.99
✅ Genuine Kair Replacement Part – Designed specifically for the Kair HRV150 12VAC SELV Humidistat Unit
⚠️ Only compatible with: Kair K-HRV150/12RH Unit transformer K-HRV150/12RH/T
🔧 Replaces internal trickle/boost pull cord switch assembly – Located inside the HRV150’s transformer enclosure
🎥 Scroll down to description to watch our step-by-step video on how to replace this part safely and correctly
📦 Ideal for resolving issues with non-responsive boost mode or faulty pull cord activation
📞 Need advice or unsure if this is the part you need? Call our technical team on 0208 463 9695
SKU: KAIRZ-HRV150-TBSWITCH QS Code: QS49755 
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| Manufacturer Code: HRV150-TBSWITCH | |
| View All Technical Details |
Kair Spare K-HRV150 Internal Transformer Trickle Boost Switch Assembly
UK Mainland Shipping – Quick Overview
| Availability | Service | Under £100 | Over £100 | Typical Delivery |
|---|---|---|---|---|
| In Stock | Standard | £4.99 | FREE | 2-4 working days |
| In Stock | Express | £9.95 | FREE | 1-2 working days |
| 2-7 Days | Super Saver | £5.99 | FREE | 4-10 working days |
| 2-7 Days | Direct From Factory | Varies by product & manufacturer | 2-7 working days | |
Note: Items marked 2–7 Days (or longer) indicate items awaiting restock or supplied to order with variable delivery times and costs. Learn More
Visit The Sidcup Showroom Store
| Address: | 15 St John's Parade, Sidcup, Kent, United Kingdom, DA14 6ES |
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Mon–Fri: 8am–5:30pm – Open – Parking available Sat & Sun: Closed |
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*Please call us on 0208 463 9696 to confirm stock availability and arrange a collection time.
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