Galvanised Spiral Duct 160mm x 3m SPIR160 warranties Worcester Bosch's i-Clean function heats

Worcester Bosch's i-Clean function heats the evaporator coil to 56°C after use

The bronze pump body sets it apart from standard cast-iron heating circulators — it is approved for direct contact with drinking water

Pro‑grade performance – 100A charge current and up to 150V PV input make it ideal for larger strings and higher power PV arrays on modern systems

or installing spiral duct sections

The internal tank surface is coated with titanium-reinforced enamel fired at 850°C

Galvanised Spiral Duct 160mm x 3m SPIR160 warranties Worcester Bosch's i-Clean function heatsThe 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,