In short: a free library of underfloor heating installation guides, organised by job. Each section brings together the step-by-step guide, the video, the install manual and data sheet, and the calculator for that stage, from planning the loops to the first heat-up. Water and electric UFH, screed, overlay and joisted floors, controls and press fittings.
Jump to a job
- Plan and design the system
- Fit the manifold
- Fit the pump and mixing pack
- Lay pipe for a screed floor
- Lay castellated panels
- Fit low-profile overlay boards
- Fit UFH in a joisted timber floor
- Heat one room off a radiator circuit
- Pressure test, fill and balance
- Wire the controls
- Commission and first heat-up
- Lay an electric heating mat
- Lay loose electric cable
- Make press joints in MLCP and copper
- Find and fix problems
Plan and design the system
Measure the rooms, choose pipe centres and work out the loops before you buy anything.
Step-by-step guides
- How to measure a room for UFH
- How to read a loop plan
- Pipe centres: 100, 150 or 200mm
- How many manifold ports
Tools
Link to this sectionFit the manifold
Mount the manifold, fit the ball valves and connect each loop with Eurocone cores.
Step-by-step guides
Videos
Install manuals and data sheets (PDF)
| Dualmix manifold |
Manual Data sheet |
| Auto-balancing manifold |
Manual Data sheet |
| Eurocone connector cores |
Manual Data sheet |
| Manifold ball valve set |
Manual Data sheet |
Fit the pump and mixing pack
A blending valve pack for a boiler, or a non-mixing set for a heat pump.
Step-by-step guides
Videos
Install manuals and data sheets (PDF)
Link to this sectionLay pipe for a screed floor
Insulation, edge strip, grid membrane, then pipe clipped at the design centres.
Step-by-step guides
Videos
Install manuals and data sheets (PDF)
| Barbed pipe clips |
Manual Data sheet |
| Grid membrane |
Manual Data sheet |
| Clip rail |
Manual Data sheet |
| Edge insulation |
Manual Data sheet |
| PERT-EVOH pipe |
Manual Data sheet |
Tools
Link to this sectionLay castellated panels
Pipe pushes in between the bosses, then screed or levelling compound goes over the top.
Step-by-step guides
Install manuals and data sheets (PDF)
Tools
Link to this sectionFit low-profile overlay boards
Routed boards you can tile straight onto, for retrofits where height is tight.
Step-by-step guides
Videos
Install manuals and data sheets (PDF)
| MaxHeatPanel |
Manual Data sheet |
| MaxHeatDeck |
Manual Data sheet |
| MaxHeatFix |
Manual Data sheet |
| MaxHeatPro |
Manual Data sheet |
Tools
Link to this sectionFit UFH in a joisted timber floor
Grooved chipboard from above, or aluminium spreader plates from above or below.
Step-by-step guides
Videos
Install manuals and data sheets (PDF)
| MaxHeatChip |
Manual Data sheet |
| Foil-backed top board |
Manual Data sheet |
| Spreader plate, from above |
Manual Data sheet |
| Spreader plate, from below |
Manual Data sheet |
Tools
Link to this sectionHeat one room off a radiator circuit
A single room mixing pack, with no manifold needed.
Step-by-step guides
Videos
Install manuals and data sheets (PDF)
Link to this sectionPressure test, fill and balance
Test every loop before the floor is covered, then purge the air and set the flow meters.
Step-by-step guides
Videos
Install manuals and data sheets (PDF)
Link to this sectionWire the controls
Thermostats, actuators and the wiring centre that links them to the pump and heat source.
Step-by-step guides
- Heatmiser UH4 and UH8 wiring
- Zoning and wiring centres
- How actuators work
- Where to put the thermostat
Videos
Install manuals and data sheets (PDF)
Link to this sectionCommission and first heat-up
Warm new screed slowly, then set the flow temperature and room settings.
Step-by-step guides
Tools
Link to this sectionLay an electric heating mat
Prime, board, roll out the mat, fit the floor sensor and tile.
Step-by-step guides
Videos
Install manuals and data sheets (PDF)
Tools
Link to this sectionLay loose electric cable
Bed the uncoupling membrane, then press the cable between the studs at your spacing.
Step-by-step guides
Videos
Install manuals and data sheets (PDF)
Tools
Link to this sectionMake press joints in MLCP and copper
Cut square, ream or deburr, insert fully and press with the matching jaw.
Step-by-step guides
- How to press MLCP fittings
- Copper M-press installation
- M-profile vs U-profile jaws
- Bending multilayer pipe
Videos
Install manuals and data sheets (PDF)
| MLCP press connector |
Manual Data sheet |
| Press tool set |
Manual Data sheet |
| Copper M-press elbow |
Manual Data sheet |
Find and fix problems
Cold floors, pressure loss, stuck actuators and electric faults.
Step-by-step guides
- UFH not getting warm
- Pressure dropping
- Actuator and wiring centre faults
- Electric UFH fault finding
- Repairing damaged pipe
Every product, every manual
The Product Library has the video, data sheet and install manual for all 170 products we sell. The guides section has over 100 articles on design, installation and troubleshooting.