Call us on 0345 241 1441 Monday to Friday 9:00am - 5:00pm

Unrivalled performance Our pioneering technology and control systems deliver high precision heat management and unrivalled performance in both domestic and district heating environments.

Best for through-life costs Intelligent design leads to greater simplicity – that’s why our systems are cost effective to install, more reliable and cheaper to run and operate.

Better by design Our unique and innovative technology has been refined over many years and is protected by numerous patents relating to water storage, heat exchange and the networking of communal heating systems.

The DIGI Cool M-Line is a WRAS approved single plate CIU with electronic On/Off control.  It is simple but efficient due to the continuously adjustable, pressure-independent primary flow rate which dictates the primary energy input.


HIU Type Cooling
Cooling Configuration Indirect
Cooling Temperature Control No
Built-in Cooling Meter Yes
Dimensions – HIU Case (mm) 649 (W) x 880 (H) x 337 (D)
Dimensions – inc. Plumbing Jig (mm) 649 (W) x 940 (H) x 337 (D)
Cooling Output (nominal) 20kW
Sealed System Kit Position Integral to casing


The DIGI Cool M-Line comes in an attractive powder coated casing with 30mm of PUR insulation (0.025 W/mK), in a multi-shell design and a hollow body seal to create an effective seal against air and humidity from the atmosphere.  The casing is mounted directly to the wall and all connections are top entry.  All internal pipework is fully insulated stainless steel with brass fittings with PN10 pressure rating.

A stainless steel expansion vessel together with safety relief valve, pressure gauge, drain point, primary and secondary strainers, circulation pump and pressure independent control valve are fitted as standard.


  • Valve kit
  • PN16 Pressure rating


DIGI Cool Datasheet

Copyright © 2022 Thermal Integration

Marketing by Unity Online