A new solution

Potterton Commercial, part of Baxi Commercial Division, has introduced the Sirius two WH wall hung stainless steel condensing commercial boiler, a new solution complimentary to the existing Sirius WH range.

The Sirius two WH is available in five outputs from 50 – 110kW and offers increased efficiencies and a greater modulation range with a turndown ratio of 6:1, compared to the 5:1 ratio most commonly achieved in the market. The 50, 60 and 70kW models incorporate a revolutionary design development. The heat exchanger block in these appliances has changed from a duo ‘Z’ to a mono ‘Z’ type, allowing one heat exchanger to be used instead of two. Consequently, these units are lighter and, with a width of 450mm, more compact than their predecessors

The Sirius two WH also incorporates the most flexible boiler control technology on the UK market, with the capacity to control three heating zones in compliance with Part L2 requirements. A control box can be added to enable operation in cascade mode. These attributes should bring the new Sirius two WH close to the top of the ETL (Energy Technology List) and ensure that installations qualify for ECA (Enhanced Capital Allowance).


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