Aluminium Heat Exchangers. Fully Modulating Premix Burner. Remote Monitoring Options. GSM / Web Connectivity. Full Range of Concentric and Single Walled Flue Components Including Cascade. Integral Cascade Functionality up to 16 boilers. (7.4kW – 2,363kW) Matched Mounting Frames and Cascade Hydraulics including Low Loss Headers or MatchedSystem Separation Plate Heat Exchangers. Externally Mounted Pump with Anti-Seize Program. Frost Protection Program. Integral Safety Controls Fully Compliant with Bristish Standards. Remote Monitoring Optio