



ThermoSphere Contactor Snubber
Couldn't load pickup availability
Payment options
ThermoSphere Contactor Snubber
The ThermoSphere Contactor Snubber is a high-current switching device designed to safely control large electric underfloor heating circuits from a single thermostat. Essential for heating systems exceeding 16A (3600W), this accessory protects thermostats from voltage spikes and electrical surges, ensuring long-lasting reliable performance. Available in 25A, 40A, and 63A capacities, it suits a range of heating system sizes in both domestic and commercial settings.
Key Features
- Multiple Load Capacities: Choose from 25A, 40A, or 63A to match your heating system load requirements.
- Ultimate Protection: Snubber circuitry absorbs voltage spikes, preventing damage and erratic behaviour in thermostats.
- IP30 Rated: Safe for indoor residential and commercial use with adequate protection.
- Robust & Double Insulated: High-quality construction ensures safe and durable operation.
- Surface Mounting: Compact design for easy installation in accessible locations.
Technical Specifications
Brand | ThermoSphere |
---|---|
Product Type | Contactor Snubber Unit |
Available Models | 25A (CSN-025), 40A (CSN-040), 63A (CSN-063) |
Maximum Load | Up to 63 Amps (depending on model) |
Power Supply | 230V |
Dimensions (mm) | W 110 x H 180 x D 95 |
Protection Rating | IP30 |
Mounting | Surface mount |
Double Insulated | Yes |
Warranty | 3 years |
EAN (25A) | 5056257302300 |
MPN (25A) | CSN-025 |
Applications
- Allows controlled switching of electric underfloor heating circuits exceeding 16A from a single thermostat.
- Protects thermostats from electrical surges to extend product life and reliability.
- Ideal for large residential or commercial underfloor heating installations.
Why Choose ThermoSphere Contactor Snubber?
- Ensures safe and reliable control of high-load heating systems.
- Prevents thermostat damage caused by voltage spikes in large circuits.
- Backed by a 3-year warranty and UK manufacturing standards.
- Offers peace of mind with robust electrical safety features and proven performance.
- Type Thermostat accessories
- Vendor ThermoSphere
- SKU CSN-025
Please note: Delivery times may vary depending on location, with specific details outlined below.
Standard Delivery
UK Mainland
- Delivery Time: 2–4 working days
- Free Delivery on all orders
Express Delivery
UK Mainland
- Delivery Time: 1–3 working days
- Delivery fee of £15
Channel Islands
- Postcodes Covered: GY*, IM*, JE*
- Minimum Order: £50
- Delivery Fee: £70
Northern Ireland, Offshore Territories & Scottish Islands
- Postcodes Covered: BT*, HS*, KW, ZE
- Minimum Order: £50
- Delivery Fee: £35
Same Day Delivery
- Eligible Postcodes:
E*, EC*, N*, NW*, SE*, SW*, W*, WC*, HA*, UB*, EN*, IG*, RM*, KT*, SM*, CR*, BR*, DA*, TW* - Minimum Order: £50
- Same Day Delivery Fee: £60
- Special Requests or Locations:
For areas outside these postcodes or urgent quotes, please email orders@qualityheating.co.uk and we’ll do our best to accommodate.
Collections
Want to collect your order instead?You’re welcome to do so — just email us at orders@qualityheating.co.uk or message us via WhatsApp with your preferred collection time, and we’ll confirm the details.
Collection address: 284 Water Rd, Unit 9, London, HA0 1HX