Most common issues can be answered by the questions below.
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Water Underfloor Heating
High output kits are designed to provide a solution for underfloor heating to single zone extensions + conservatories typically installed within a screed or between 50 and 80mm thick. A single loop system can cover floor areas of up to 24m2, any room size over this will require more than one loop of pipe. The manifold setup provides excellent water temperature control, blending the hot water from your heating system down to the safe temperatures used in warm water underfloor heating systems.
Our kits include the electrical controls and valves that enable your warm water underfloor system to operate independently from your existing heating system, in line with current building regulation part L.
Water underfloor heating is cheaper to run than electric underfloor heating. Electric underfloor heating is typically not suited for very large areas or the whole house as you may find the electrically load exceeds your households incoming supply!
You can install water underfloor heating in screed, between joists, in our Profloor pre-grooved floorboard system or in overlay boards on top of existing floors with as little as 16mm height increase. We really do have a solution for any floor construction.
Water underfloor heating can be supplied via any water heat source such as boilers, Air source or Ground source heat pumps, biomass boilers, log burners with back boilers and thermal stores.
Flow rates for 16mm pipe are usually calculated by dividing the length of pipe by 40. So for an 80m coil, you will have a flow rate of 2 Litres per min. To calculate flow rates for 12mm pipe usually a higher denominator is used of 50. So for an 80m coil you would expect a flow rate of around 1.6L/min. The Manifold installation guide explains how to balance the manifolds - you can find these install guides on the following link: Installation videos & manuals
If you have a 10m2 room that is 5metres from the manifold and the pipe spacing is 200mm centres, the calculator will be as follows:
1000mm/200mm = 5 (5metres of pipe per m2 required)
10m2 x 5 = 50metres.
Distance from room to manifold is 5metres, multiply this by 2 for the flow and return and add this onto the pipe used in the room.
50metres + (2x5) = 60 metres of pipe Required.
With a system boiler you may already have radiators and a Hot water cylinder with their own 2port motorised valves, in which case you just need to add one more for the underfloor heating. Speak to our technical team for advice and guidance and even a schematic diagram to help you.