Specifications
Perimeter Zone as part of 
main circuit. Closer pipe 
spacing of 100mm centres 
in strip max 1m wide 
(BSEN1264).
Installation Notes
- Pipe normally laid 
in floor at 200mm 
centres. 
- Uses only 90° bends 
which reduces mechanical
stress on tube.
- Suitable for any size & 
shape area.
- Not Suitable for battened 
floors
- Provides even temperature
distribution across flow as 
flow & returns altenate.
TYPICAL PIPE LAYOUT DETAIL 2 
"COUNTERFLOW" PATTERN WITH PERIMETER ZONE.
UFH Circuit Return
UFH Circuit Flow
TYPICAL COUNTERFLOW INSTALLATION
Horton Rd, West Drayton, Middlesex UBL 8JL
Tel. 01895 449233 Fax. 01895 422086
www.speedfit.co.uk
Technical Helpdesk 01895 425333
Issue 2 – FEB 07
SHEET 5










