The Ultimate3 regular (open vent) boiler is suitable for homes with high hot water demands. The Ultimate3 regular heat only boiler is available in a 25kW output and has been designed to be light and compact with cupboard fit dimensions. The boiler features flexible flue options and an aluminium heat exchanger for proven reliability and performance. Parts and labour are guaranteed for 5 years.
Exclusive to City Plumbing Supplies and Plumbing Trade Supplies
High efficiency modulating Grundfos pump - Lower running costs as the pump adapts to actual heating and hot water demand
Lightweight boiler with cupboard fit dimensions
Modern, bright, LCD display with easy-to-use interface
High grade aluminium heat exchanger for proven and reliable performance
Easy to install and service
Wide range of Glow-worm flues and accessories available
Maximum Horizontal Flue 100mm
Maximum Horizontal Flue 125mm
Maximum Vertical Flue 100mm
Maximum Vertical Flue 125mm
External or Internal
SEDBUK SAP 2009 Rating
SEDBUK SAP 2005 Rating
CH Condensing Max Output
Made To Order
Manufacturer Model No
Next Day Delivery
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