ecoFIT pure 25, 30 and 35kW

ecoFIT pure combination boilers

Top and rear flue options
Automotive grade aluminium heat exchanger
Easy installation and maintenance
Standard 2 year warranty. Free 7 year warranty when registered by a Vaillant Advance partner

Overview

Introducing the boiler that opens more doors: The new ecoFIT pure

As one of Europe’s leading heating technology manufacturers, ‘thinking ahead’ is a culture which is embraced throughout our business. Our products feature high energy efficiency ratings and low emissions, and come with an enviable reputation for performance, quality and reliability. This comes from proven German engineering combined with award winning UK manufacturing.

Ultra-quiet operation with its Quiet Mark accreditation (excludes 35kW model), small footprint and total flexibility of siting (with top and rear flue options) mean that the ecoFIT pure range fits in with your customers’ needs.The automatic purging assistance and high specification, aluminium heat exchanger makes for a lightweight installation. High quality and high efficiency, together with the complete availability of spare parts and the easy accessibility of the unit layout mean the ecoFIT pure is easy to maintain too.

Features & benefits:

Available in 25kW, 30kW and 35kW outputs
Top and rear flue options on all boiler models - Allows flexible siting options and installs in various property types
Compact, cupboard fit solution - Small boiler footprint, offering flexibility of siting, including a cupboard-fit
Clear LED display - Offers visibility in dimly lit areas for easier installation and use
Easy installation and maintenance - Accessible layout that allows all components to be replaced from the boiler front
Recognisable Vaillant fault codes - Making it easy to diagnose faults
High-specification aluminium heat exchanger - Designed to last longer, maintain easily, and reduce energy bills
High-quality components - Offering peace of mind for the lifetime of the product
Industry leading flue lengths - 10m flue length across all ecoFIT pure boiler outputs
4-sided cooling and water agitation of the heat exchanger - Reducing stress on the heat exchanger for longer life reliability and reduced maintenance costs
Compatible with Vaillant’s intelligent range of controls - For the most convenient and energy efficient system, saving on energy bills
Standard 2 year warranty, can be upgraded to a free 7 year warranty when registered through Vaillant Advance
Option to purchase extended warranty up to 10 years when registered through Vaillant Advance

Specifications

Technical Data	Unit of measure	ecoFIT pure 825	ecoFIT pure 830	ecoFIT pure 835
General
Boiler type		combi	combi	combi
Signature model output		25kW	30kW	35kW
Article number		0010020389	0010020390	0010020391
Gas Council number		47-044-68	47-044-74	47-044-70
Boiler Dimensions	mm	700 x 390 x 295	700 x 390 x 295	700 x 390 x 295
Heating
Nominal heat output range at 50/30˚C (Condensing mode)	kW	5.3 - 19.1	6.3 - 26.5	7.5 - 26.7
Nominal heat output range at 80/60˚C (Non condensing mode)	kW	5 - 18.3	6.1 - 25.4	7.2 - 25.6
Maximum flow temperature	˚C	80	80	80
Flow temperature range	˚C	10 - 80	10 - 80	10 - 80
Flow temperature factory setting	˚C	75	75	75
Approximate condensate volume at 50/30˚C	litres/hr	1.84	2.55	2.57
Modulation (max/min)	1 : X	1:5	1:4.9	1:4.9
Domestic Hot Water
Maximum heat output for water generation	kW	25.2	30	35
Lowest water pressure to operate boiler	bar	0.3	0.3	0.3
Lowest water flow for operation	l/min	2.0	2.0	2.0
Lowest water pressure for maximum flow rate	bar	2	2	2
Domestic hot water flow rate (at DT = Δ35K) *	l/min	10.4	12.2	14.1
Hot water output temperature range	˚C	35 - 60	35 - 60	35 - 60
Mechanical
Expansion vessel size	litres	8	8	8
Gas inlet connection (pipe size)	mm	15	15	15
Heating flow and return connections (pipe size)	mm	22	22	22
Hot and cold water connections (pipe size)	mm	15	15	15
Heat exchanger material	Stainless/Aluminium	Aluminium	Aluminium	Aluminium
Boiler lift weight (Dry boiler)	kg	32	33	33
Performance
NOx class		5	5	5
NOx (En 15502-2-1)	mg/kWh	38	39	39
ErP efficiency	%	94	94	94
ErP decibel rating (sound power)	dBa	49	51	52
Fluing options
Maximum horizontal flue length 60/100	m	10	10	10
Maximum vertical flue length 60/100	m	10	10	10
Maximum horizontal flue length 80/125	m	25	25	25
Maximum vertical flue length 80/125	m	25	25	25
Rear flue options	YES/NO	Yes	Yes	Yes