Galvanised Spiral Duct 160mm x 3m SPIR160 warranties A buffer vessel tops up

A buffer vessel tops up the volume to the required minimum

this is normal and accepted by most DNOs

The Drayton TS Ultra+ is a 230V thermal actuator built to control an individual zone on a water-based underfloor heating manifold

or installing spiral duct sections

keeping floor space clear

Galvanised Spiral Duct 160mm x 3m SPIR160 warranties A buffer vessel tops upThe SPIR160 is a 160mm diameter, 3 metre length of galvanised spiral ducting, manufactured from spiral wound galvanised mild steel to HVCA BESA DW144 specification. It forms the core straight run component of a 160mm metal ducting system, suitable for general ventilation, mechanical extract, MVHR distribution, dust extraction, and fume control. The hot dip galvanised (Sendzimir) zinc coating provides long term corrosion resistance without painting,