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 |
Delivery Options
2-3 working day delivery
Next working day
Next working day before 10:30
Saturday Delivery
Delivery cut off times
Our daily cut-off time for dispatch is 4:30pm Monday–Thursday and 4:00pm on Fridays. Orders placed before the cut-off time will be dispatched for next working day delivery (if this option is selected). Orders placed after 4:00pm on Friday will be dispatched on Monday for Tuesday delivery.
Bank holidays may affect these delivery times, so please contact our team if unsure on 01268 744479
Other Delivery Options
PRE-10:30AM and Saturday Delivery services are available, but orders must be placed before the relevant cut-off times.
NOTE: All orders placed on a Friday will be delivered on the following Monday (unless its a bank holiday), unless a Saturday Delivery service is selected and paid for before the 4:00pm Friday cut-off.
Delivery outside the UK
Delivery outside mainland UK may be arranged by prior agreement. You will be advised of the delivery charge before dispatch, at which point you can decide whether you wish to proceed with 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.
