Ultimate₃ system boiler

Exclusive system boiler with 5 years guarantee*

ErP A rated for efficiency - helping to reduce energy bills
FREE 5 year guarantee when registered on Club Energy*
£15 reward when registered through Club Energy
Available as 25kW model

The Ultimate₃ system boiler is suitable for homes with high hot water demands. The Ultimate₃ system is a sealed system that comes in a 25kW output and features flexible flue options and an aluminium heat exchanger for proven reliability and performance. The Ultimate3 also features a Grundfos modulating pump for reduced energy use and a modern bright LCD display with an easy to use interface.

Features & benefits

Modern bright LCD display - Excellent clarity of boiler information, making it easy to change and confirm settings in dimly lit areas.
High efficiency - ErP 94% A rated boiler that helps reduce energy bills.
High efficiency modulating Grundfos pump - Lower running costs as the pump adapts to actual heating and hot water demand.
Free 5 year guarantee* - Parts and labour guarantee for 5 years when registered through Club Energy.*
Heat exchanger - Made with high grade aluminium for proven and reliable performance.
Exclusive to City Plumbing Supplies and Plumbing Trade Supplies

Specifications

Ultimate₃ system boiler	Unit	25kW
General
Article number		0010021405
Gas Council number		47-019-51
Boiler dimensions (H x W x D)	mm	740 x 418 x 300
Heating
Nominal heat output range at 50/30˚C (Condensing mode)	kW	6.3 - 26.5
Nominal heat output range at 80/60˚C (Non condensing mode)	kW	6 - 25.2
Domestic Hot Water
Lowest water pressure to operate boiler	bar	0.2
Mechanical
Heat exchanger material		Aluminium
Boiler lift weight (Dry boiler)	kg	22
Performance
ErP efficiency	%	94
ErP decibel rating (sound power)	dBa	50
PCDB seasonal efficiency	%	89.7
Flueing Options
Maximum horizontal flue length 60/100	m	10
Maximum vertical flue length 60/100	m	10