The Grundfos Single Circuit Pump with Mixing Valve Unit is a compact, modular control pack designed to regulate flow and temperature for underfloor heating systems up to 3kW. Perfect for single-zone applications, this unit offers seamless integration with high-temperature radiator systems and provides consistent water temperature and pressure to floor heating circuits. Assembled in the UK and built with premium components, it's engineered for quick installation and dependable performance.
- ‘A’ rated Grundfos UPM3 Auto pump ensures high efficiency, low energy consumption and reliable operation.
- Thermostatic mixing valve accurately controls flow temperatures between 35°C and 60°C.
- Designed for single zone applications, making it ideal for smaller or isolated underfloor heating areas.
- Compact and lightweight construction mounts directly onto pipework without additional brackets or supports.
- Pre-fitted temperature switch (standard 40°C) allows safe operation with high-temp primary circuits.
- Includes primary isolation valves and integrated bypass for easy servicing and system balancing.
- Wall mounting plate included as standard, making installation quick and secure.
- Pre-wired terminal box on the pump for faster electrical connection.
- Flow and return connections included for simplified pipe layout and plumbing.
- Assembled and tested in the UK for quality assurance and quick installation.
- 15mm primary flow/return connections for compatibility with most heating systems.
- 2 Year warranty provides peace of mind and long-term reliability.
This smart and efficient unit gives you total control over your underfloor heating circuit—no extra components, no fuss. Just dependable, balanced heat where and when you need it.
| Kv: | 1.6Kv (Up to 90sqm / 5kW) |
|---|---|
| Temperature range: | 35°C - 60°C |
| Max temperature range: | Continuously = 95°C Temporarily = 100°C |
| Maximum supply pressure: | 10 Bar |
Our May Bank Holiday Delivery Times
| Order Date | Order Time | Expected Delivery Date |
|---|---|---|
| Fri 23rd May* | Before 4:00pm | Tues 27th May |
| Fri 23rd May | After 4:00pm | Wed 28th May |
| Sat 24th May | All day | Wed 28th May |
| Sun 25th May | All day | Wed 28th May |
| Mon 26th May | All day | Wed 28th May |
| *Any pallets to be delivered on Saturday 24th May will need to be ordered before 2:30pm on Friday 23rd May. | ||
Free Delivery as Standard!
As standard we include 2 - 3 working day delivery on all orders delivered to the UK mainland. * A £5 delivery charge will be applied to all orders below £20.
Delivery cut off times
Our final delivery time for Mondays to Thursday is 4:30pm. To give us a bit more time to ensure weekend deliveries are handled and our couriers have time to collect, the final delivery time on Fridays is 4:00pm.
2-3 working day delivery
Next working day
Next working day before 10:30
Saturday Delivery
* A £5 delivery charge will be applied to all orders below £20.
Other Delivery Options
Pre 10:30am and Saturday delivery services are available on orders placed before 4:30pm. Any order placed before 4:30pm on a Friday will be delivered on the following Monday (unless its a bank holiday) so please select a Saturday service if a weekend delivery is required.
Delivery outside the UK
Delivery outside the mainland UK may be arranged by prior agreement. You will be notified of the amount of the charge for this service and will at that point have to make a decision whether you wish to proceed wth your order.
Important: Our deliveries rely on third party couriers, so, whilst we make every effort to deliver your order on the specified date and time, unfortunately there may be occasions when this will not be possible due to external influences. Due to this we strongly recommend you ensure you have received your order before any tradespeople/builders are scheduled to commence work.
Still Unsure? Talk to an expert
If you need any guidance or further information our highly experienced team are on hand to help.
Get in touch using our contact form or give us a call on 0800 023 4203 or 01268 744 479.
