Baxi Assure 170DD Direct Unvented Cylinder
The Baxi Assure 170DD Direct Unvented Cylinder is designed to provide reliable, high-performance domestic hot water without the need for a separate boiler, shower pump or cold water storage tank. With a 170-litre capacity and a direct electric heating system, it is a practical choice for homes looking for a dependable hot water storage solution.
The cylinder is floor mounted and features an internal expansion system, helping to create a neat installation while saving valuable space. Its combination of high-grade materials, efficient insulation and quality components is designed to provide long-lasting performance.
Efficient Hot Water Performance
The Baxi Assure 170DD can deliver hot water at flow rates of up to 76 litres per minute at 3 bar, providing strong performance for everyday domestic use. This high flow rate means the system can deliver excellent hot water performance without relying on additional shower pumps or storage tanks.
As a direct unvented cylinder, it uses electricity to heat the stored water and does not feature an indirect heating coil.
Space-Saving Internal Expansion System
An internal floating baffle expansion system is incorporated into the cylinder, removing the need for a separate expansion vessel. This helps create a cleaner installation, saves space and can reduce installation time.
The cylinder also features an insulated temperature and pressure (T&P) valve alongside 60mm-thick insulation, helping minimise heat loss and maintain stored water temperature efficiently.
Durable Stainless Steel Construction
The cylinder is manufactured from high-grade duplex stainless steel, providing excellent corrosion resistance and a strong strength-to-weight ratio. This robust construction is designed to support long-term reliability.
It is also fitted with titanium immersion elements as standard. These high-quality elements are designed for extended service life, including in aggressive or corrosive water conditions. Their angled design helps ensure that the full volume of stored water is heated.
Warranty and Specifications
The Baxi Assure 170DD comes with a 10-year manufacturer's warranty on the inner tank against manufacturing defects, along with a 2-year warranty on parts, subject to the applicable terms and conditions.
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Capacity: 170 litres
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Type: Direct unvented hot water cylinder
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Fuel type: Electric
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Power: 6kW
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Flow rate: Up to 76L/min at 3 bar
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Height: 1550mm
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Width: 600mm
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Depth: 600mm
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Material: Stainless steel
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Coil type: Direct – no coil
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Expansion vessel: Not required
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ERP rating: C
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Colour: White
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Supplier part number: 7737167
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Installation: Freestanding/floor mounted
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Inner tank warranty: 10 years, subject to terms and conditions
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Parts warranty: 2 years
Key Features
- 170-litre direct unvented hot water cylinder
- Direct electric heating system
- No separate boiler required for water heating
- Internal floating baffle expansion system
- No separate expansion vessel required
- Up to 76L/min hot water flow rate at 3 bar
- 60mm-thick cylinder insulation
- Insulated T&P valve
- Titanium immersion elements supplied as standard
- Angled immersion element helps heat the full water volume
- High-grade duplex stainless steel construction
- High corrosion resistance
- Suitable for floor-mounted installations
- 10-year inner tank manufacturer's warranty, subject to terms and conditions
- 2-year parts warranty
Frequently Asked Questions
What is the capacity of the Baxi Assure 170DD?
The Baxi Assure 170DD has a 170-litre capacity, providing a substantial store of domestic hot water for everyday household requirements.
Does the Baxi Assure 170DD need a boiler or shower pump?
No. This is a direct unvented cylinder that heats water electrically and does not require a separate boiler for water heating. Its high flow rate of up to 76L/min at 3 bar also means a shower pump is not required for the cylinder to deliver strong hot water performance.
What warranty is included with the Baxi Assure 170DD?
The inner tank is covered by a 10-year manufacturer's warranty against manufacturing defects, while the parts have a 2-year warranty. Both are subject to the manufacturer's applicable terms and conditions.
