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Underfloor Heating Manifold Specifications, Sizes and HS Code

by LEGOM Technical Team | Sep 29, 2026 | Manifold, Underfloor Heating

Most manifold datasheets tell you the port count and the material, then stop. That leaves out the figures that actually decide whether a manifold fits the job: the centre distance between ports, the thread standard on the circuit connections, the pressure and...

Tempering Valve for Hot Water Systems: Meeting the 50 °C Limit

by LEGOM Technical Team | Sep 28, 2026 | HVAC

Every stored hot water system carries a built-in conflict. The tank has to run hot enough to kill bacteria, and the tap has to run cool enough not to scald a child. Those two requirements do not overlap, and the component that resolves them is the tempering valve. It...

How to Verify a Chinese HVAC Factory Before You Place an Order

by LEGOM Technical Team | Sep 27, 2026 | Uncategorized

Sourcing HVAC components from China is not the gamble it was fifteen years ago. The hard part now is not finding a factory. It is working out which of the forty suppliers replying to your enquiry actually manufactures anything, which holds the approvals your market...

How to Balance an Underfloor Heating Manifold: Flow Rate Guide

by LEGOM Technical Team | Sep 26, 2026 | Manifold

A pumped underfloor heating manifold does two jobs at once. It blends primary water down to a safe floor temperature, and it splits that water between loops that are never the same length. The second job is where most systems quietly fail. Pipework gets installed...

Thermal Actuator for Fan Coil Units: NC vs NO and Compatibility

by LEGOM Technical Team | Sep 25, 2026 | HVAC Valve, Underfloor Heating

Hotels, office towers, and apartment blocks rely on fan coil units to maintain comfort room by room. What determines whether each room actually holds its set temperature is a small component mounted on the FCU valve: the thermal actuator. This guide covers how thermal...
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