Underfloor heating circulation equipment designed to maintain steady flow and even warmth across heated floors. Installers and householders will appreciate reliable operation and straightforward compatibility that reduces on-site hassle. Is the Grundfos HE UPM3 Auto Underfloor Heating Circulating Pump the right upgrade for your heating circuit?
⚡ At a Glance
- • Flow Performance: Reliable circulation tailored for underfloor heating, supporting consistent room temperatures
- • Best for: Installers and homeowners replacing or upgrading underfloor heating circulation components
- • Not ideal for: Systems requiring non-standard fittings or bespoke connection sizes
Designed for reliable circulation in underfloor heating systems with a standard 130mm pump head length and 1" connections. High-efficiency construction targets lower energy use and straightforward replacement of earlier UPM3 pumps.
Even heat across floors – thanks to reliable circulation design
Pump engineered specifically for circulation in underfloor heating systems, maintaining steady flow through pipe networks. Consistent flow minimises temperature variation across different circuits.
More uniform floor temperatures and a steadier indoor climate, reducing cold spots and improving occupant comfort.
Faster installations – with a standard 130mm pump head length
130mm pump head length matches common inline fitting dimensions used on many manifolds and mounting brackets. Standard length reduces the need for additional adaptors or repositioning during swaps.
Quicker on-site swaps and less time aligning pipework, cutting labour time for installers and limiting disruption for householders.
Lower running costs – thanks to high-efficiency performance
Built to the latest energy efficiency standards for circulating pumps, focusing on improved hydraulic performance and reduced electrical consumption. Efficiency improvements help maintain required flow with less input power.
Reduced energy use during operation, supporting greener builds and lowering ongoing heating system running demands.
✨ The 4 Key Reasons for Grundfos HE UPM3 Auto Underfloor Heating Circulating Pump
- 130mm pump head length — Fits standard mounts for faster, straighter installations and reduces alignment adjustments on-site
- 1" pump connections — Secure fit to manifolds, lowers risk of leaks during commissioning
- High efficiency performance — Meets modern energy standards, helping reduce household heating energy use
- Direct replacement compatible — Designed to swap with UPM3 pumps, shortens upgrade time on site
📋 Technical Details at a Glance
- Category: Underfloor heating circulating pump
- Brand: Grundfos
- Model: HE UPM3 Auto 15-70 130 ZZZ
- Application: Underfloor heating and central heating circulation
- Pump head length: 130mm
❓ Frequently Asked Questions
Q: Is this pump suitable for underfloor heating systems?
A: Yes, specifically designed for reliable circulation in underfloor heating systems to help maintain even heat distribution.
Q: What are the connection sizes for plumbing?
A: Connections are 1" pump connections intended for secure fitment to underfloor heating manifolds and central heating pipework.
Q: Will this replace older Grundfos UPM3 pumps?
A: Yes, suitable as a direct replacement for existing Grundfos UPM3 models and other similar circulating pumps.
🏆 Our Verdict
The Grundfos HE UPM3 Auto Underfloor Heating Circulating Pump suits installers and householders who need dependable circulation and straightforward compatibility for underfloor systems. Standard 130mm head length, 1" connections and a focus on energy efficiency make it a practical choice for swap-outs and upgrades. Long-term energy savings and easy replacement make it a sensible option for system refurbishments.
