Installation Instructions
Ultimate3 regular installation and maintenance instructions
- Device Type
- 25R
- Size
- 6.21 MB
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.