The Telford Tempest Stainless Steel Slimline Direct 170L Unvented Cylinder (TSMD170SL) is designed to provide reliable domestic hot water storage for homes with medium to high hot water demands. With a 170-litre capacity, slimline profile and vertical installation design, it offers a practical solution for properties looking to upgrade or install a direct unvented hot water system.
Manufactured from stainless steel and finished in white, this Telford Tempest direct unvented cylinder combines a space-conscious design with dependable hot water storage. Its 470mm diameter makes it worth considering for installations where available floor space is limited, subject to checking the full installation dimensions and access requirements.
170L Capacity
Direct Unvented
Stainless Steel
Slimline Design
2-Year Guarantee
At a Glance
Cylinder Capacity
170 Litres
About the Telford Tempest 170L Direct Unvented Cylinder
The Telford Tempest TSMD170SL is a vertical direct unvented hot water cylinder intended for domestic applications. Its 170-litre storage capacity provides a supply of stored hot water for everyday household use, while its direct configuration is designed for systems that heat the stored water directly using compatible heating elements.
The stainless steel cylinder construction and white exterior provide a practical finish for a dedicated utility or plant area. Before purchasing, check the available installation space, connection requirements and compatibility with the intended hot water system.
Key Features
1. 170-Litre Hot Water Capacity
Provides 170 litres of stored hot water for everyday domestic use, subject to household demand and the system's recovery performance.
2. Stainless Steel Construction
Made with a stainless steel cylinder body, offering a durable material for domestic hot water storage.
3. Slimline Profile
The stated 470mm diameter helps make this model an option for installations where floor space needs careful planning.
4. Direct Heating Configuration
Designed as a direct unvented cylinder for use with a compatible direct water-heating arrangement.
5. Vertical Installation
The vertical format, with a stated height of 1500mm, supports planned installation in a suitable utility or plant space.
6. Two-Year Guarantee
Supplied with a stated 2-year guarantee. Refer to the manufacturer's terms for applicable conditions and exclusions.
Important Installation Information
Unvented hot water cylinders must be installed, commissioned and maintained by a suitably qualified professional in accordance with applicable UK Building Regulations and the manufacturer's instructions. Confirm the cylinder's dimensions, connection specifications, safety components and installation requirements before ordering.
Product Specifications
| Product Name |
Telford Tempest Stainless Steel Slimline Direct Unvented Cylinder |
| Model / Product Code |
TSMD170SL |
| Brand |
Telford |
| Range |
Tempest |
| Product Type |
Direct Unvented Hot Water Cylinder |
| Nominal Capacity |
170 Litres |
| Height |
1500mm |
| Diameter |
470mm |
| Orientation |
Vertical |
| Vented / Unvented |
Unvented |
| Cylinder Material |
Stainless Steel |
| Connection Size (as supplied) |
2.5mm — verify against the manufacturer's technical data |
| Weight (as supplied) |
220kg — confirm whether this is empty or full weight |
| Colour |
White |
| Guarantee |
2 Years |
Who Is This Product Suitable For?
- Homeowners installing or replacing a domestic hot water cylinder.
- Properties requiring a 170-litre stored hot water capacity.
- Installations that need a direct unvented cylinder configuration.
- Homes where a slimline cylinder profile may help with space planning.
- Heating engineers and installers specifying a Telford Tempest cylinder.
Frequently Asked Questions
1. What is the capacity of the Telford Tempest TSMD170SL?
This model has a stated storage capacity of 170 litres.
2. Is this a direct or indirect cylinder?
The TSMD170SL is specified as a direct unvented hot water cylinder. Check the manufacturer's instructions to confirm compatibility with your intended heating arrangement.
3. What are the dimensions?
The supplied dimensions are 1500mm high and 470mm in diameter. Allow additional space for connections, safety equipment, servicing and installation access.
4. What material is the cylinder made from?
The product specifications describe the cylinder as stainless steel.
5. What guarantee is included?
The supplied product information states a 2-year guarantee. Check the manufacturer's guarantee documentation for full terms and conditions.
6. Does this cylinder require professional installation?
Yes. Unvented cylinders require installation and commissioning by a suitably qualified professional in line with applicable regulations and manufacturer guidance.
Order the Telford Tempest 170L Cylinder
Upgrade your domestic hot water system with the Telford Tempest Stainless Steel Slimline Direct 170L Unvented Cylinder. Check product compatibility and installation requirements before ordering.
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