Tritherm Manifold Pump and Mixing Valve Control Pack
Price range: £153.00 through £200.00 excl VAT
- Complete mixing unit for underfloor heating manifolds.
- Maintains water temperature between 35°C-60°C.
- Includes thermostatic blending valve and high-efficiency pump (Choice of Grundfos, Wilo, or Bastion).
- Fits 210mm manifold centres.
The Tritherm Heating Pump Control Pack is a comprehensive solution designed to maintain the precise water temperature required for underfloor heating systems. It bolts directly onto standard distribution manifolds (210mm centres) and blends high-temperature water from the boiler with cooler return water to ensure safe and efficient heating.
This pack is the core of the manifold control system, providing a quick and simple installation for optimal UFH performance .
Key Product Features
| Feature | Detail | Benefit |
| Mixing Valve | Thermostatic Blending | Accurately mixes boiler flow and return water to a set temperature (35°C–60°C). |
| Control Range | 35°C to 60°C |
Adjustable temperature range suitable for various floor constructions (screed, timber, etc.)22.
|
| Factory Pre-set | 45°C |
Ready for standard installation out of the box3.
|
| Pump Options | Grundfos / Wilo / Bastion | Available with three industry-leading A-rated high-efficiency pumps. |
| Compatibility | Universal Fit |
Designed to work with manifolds of all types on 210mm centres4.
|
| Pressure | Max 10 Bar |
Robust construction suitable for high-pressure systems5. |
Efficient Temperature Control
The thermostatic blending valve is the heart of the system. It ensures that the water entering the underfloor heating pipes never exceeds the safe temperature limit for the floor finish, while maintaining enough heat for comfort.
- Blending Function: Mixes hot water (e.g., from the boiler) with cooler return water to achieve the target UFH temperature.
- Safety: Operating at lower temperatures than radiator systems prevents damage to floor coverings and improves energy efficiency.
- Bypass Recommendation: If the primary circuit does not have an automatic bypass valve, it is recommended to install one to improve system efficiency.
Pump Variations
The control pack is available with one of three high-efficiency circulating pumps to suit your preference or specification requirements. All options are compliant with modern energy efficiency standards.
- Grundfos UPM3 Flex AS: A reliable, high-efficiency pump featuring a user interface with LED indication, PWM signal control capability, and multiple performance curves .
- Wilo Para: A proven, high-efficiency pump known for its compact design and robust performance in heating applications.
- Bastion Pump (ZL-3002): A cost-effective high-efficiency alternative featuring push-button control and multiple constant speed or proportional pressure settings.
Technical Specifications
| Detail | Specification |
| Maximum Static Pressure | 10 bar |
| Maximum Temperature | 85°C |
| Adjustable Control Range | 35°C to 60°C |
| Factory Pre-set | 45°C |
| Manifold Centres | 210mm |
| Connection Size | 1″ Male (to manifold) |
Installation
The bolt-on unit is designed for quick assembly.
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Mounting: Firmly fix the distribution manifold to the wall first.
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Assembly: Connect the mixing valve and pump using the provided flat gaskets to ensure a watertight seal .
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Connection: Rotate the 1″ male threads into the manifold bars .
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Orientation: Ensure the pump direction arrow points correctly (flow direction) and components are sealed tightly
| Pump | Grundfos UPM3 Flex, Grundfos UPM3 Auto, Bastion A Rated, Wilo A Rated |
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