Vaillant ecoTEC Pro 28 ErP Combi Boiler

The smart combination boiler for small to medium homes.

Features:

• Compact dimensions - For flexible siting options.
• Removable side panels and push-fit flue system - For improved accessibility, ease of installation and greater installation flexibility.
• Highly efficient and economical to run - With up to an 89.3% efficiency rating (SAP 2009).
• Quiet Mark accreditation and Which? Best Buy accredited.
• Fully modulating low NOx burner and fan - For improved energy efficiency.
• Built-in two-stage frost protection - To ensure optimal performance all year round.
• Increased speed of hot water delivery - Thanks to Vaillant’s ‘aquaCOMFORT’ warm start feature.
• Total system solution available from one manufacturer - Intelligent controls and accessories available.
• Wide modulation range of up to 1:4 - Ensuring low energy consumption and maximum efficiency.
• Compatible with aroTHERM air-to-water heat pump hybrid system – Making the perfect entry into renewable systems.
• Hand-assembled in Derbyshire by one operative from start to finish, in our award-winning manufacturing plant.
• ErP ’A’ rated.
• Standard 2 year warranty, can be upgraded to a free 5 year warranty when registered through Vaillant Advance.

Technical data:

• Article number - 0010021837
• Boiler type - Combi
• Gas Council number - 47-044-89
• Boiler dimensions (HxWxD) -720x440x338mm
• Nominal heat output range at 50/30°C (Condensing mode) - 6.9-25.9kW
• Nominal heat output range at 80/60°C (Non condensing mode) - 5.4-24.1kW
• Maximum flow temperature - 85°C
• Flow temperature range - 30-85°C
• Flow temperature factory setting - 75°C
• Approximate condensate volume at 50/30°C - 1.9ltr/hr
• Modulation (max/min) - 1 : 5
• Maximum heat output for water generation - 27.2kW
• Lowest water pressure to operate boiler - 0.8Bar
• Lowest water flow for operation - 2.0l/min
• Lowest water pressure for maximum flow rate - 0.8Bar
• Domestic hot water flow rate (at DT = Delta35K) - 11.1l/min Domestic hot water flow rate (at DT = Delta42K) - 9.3l/min
• Hot water output temperature range - 35-65°C
• Expansion vessel size - 8ltr
• Gas inlet connection (pipe size) - 15mm
• Heating flow and return connections (pipe size) - 22mm
• Hot and cold water connections (pipe size) - 15mm
• Heat exchanger material - Stainless Steel
• Boiler lift weight (Dry boiler) - 38kg
• NOx class - 5
• NOx (En 15502-2-1) - 27mg/kWh
• ErP efficiency - 94%
• ErP decibel rating (sound power) - 49dBa
• Maximum horizontal flue length 60/100 - 12mtr
• Maximum vertical flue length 60/100 - 16mtr
• Maximum horizontal flue length 80/125 - 39mtr
• Maximum vertical flue length 80/125 - 41mtr
• Size - 8ltr
• Material - Stainless Steel
• Colour - White
• Brand - Vaillant