• System Fit, pre-plumbed hot water cylinder

Pre-plumbed unvented hot water cylinders engineered to reduce installation time by up to 70%. System Fit models come without a circulating pump or controls, making them compatible with system boilers. Manufactured from Duplex stainless ... Read more


Fast Installation


Excellent ERP Ratings


Up to 45% Extra Insulation


25 Year Guarantee*

System Fit hot water cylinders are designed for use with system boilers only - pre-plumbed for ease of installation.

Features and benefits

  • Designed for use with system fit boilers
  • Pre-plumbed - up to 70% faster to install
  • ErP 'A' Rated for 120L and 150L cylinders
  • EuP 'A' Rated compliant pump for energy efficiency
  • Up to 45% extra insulation for decreased heat loss
  • Built-in thermal expansion space removing the need for an external expansion vessel
  • Side mounted hot water outlet reduces potential heat loss and provides better access for installation
  • Suitable for fully pumped circulation and sealed primary systems. Not suitable for gravity circulation
  • Wide range of capacities - from 120 to 300 litres
  • Separate central heating and hot water zones for maximum efficiency 
  • Choose from single zone or twin zone heating units; twin zone models come with an extra two port valve and additional programmable room thermostat
  • 25-year guarantee on basic vessel and 2-years on components, subject to T&C's*
*T&Cs apply, see product brochure for more information
Product Code Capacity (ltrs)  Height (mm)  Diameter (mm) ErP Rating† Standing Heat Loss (W) 
 TXN120P*  120  1001  580  A  37
 TXN150P*  150  1187  580  A  40
 TXN180P*  180  1371  580  B  50
 TXN210P*  210  1561  580  B  62
 TXN250P*  250  1806  580  B  66
 TXN300P*  300  2076  580  C  77

†ErP Rating based on thermostat set at 60°C

*For Twin zone models add ‘T’ to the end of the code