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Telford Tempest Stainless Steel Indirect 150L Unvented Cylinder - TSMI150

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by Telford
SKU TSMI150
Save 17% Save 17%
Original price £738.58
Original price £738.58 - Original price £738.58
Original price £738.58
Current price £615.49
£615.49 - £615.49
Current price £615.49

Free Local Shipping

Free Local Shipping on orders over £100. Standard delivery to most UK postcodes within 1-2 working days. Express options available at checkout for more information, see here

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Give Us A Call +44 118 958 8882 Our team is here to help. We will provide expert advice on specifications, compatibility, and delivery options.

30-day Easy Return

30 days Easy Return — no questions asked. If you're not completely satisfied, send it back within 14 days for a full refund.

The Telford Tempest Stainless Steel Indirect 150L Unvented Cylinder (TSMI150) is designed to provide an efficient and reliable hot water solution for smaller to medium-sized households. With a 150-litre capacity, this vertical unvented cylinder is suitable for properties requiring a dependable supply of hot water while making effective use of available installation space.

Constructed from stainless steel, the Telford Tempest TSMI150 offers durability and corrosion resistance. As an indirect unvented cylinder, it is designed for use with indirect heating systems and combines practical dimensions with a 2-year guarantee for added peace of mind.

150L Capacity Indirect Unvented Stainless Steel Vertical Orientation 2 Year Guarantee

Key Highlights

150L
Capacity
1060mm
Height
510mm
Diameter
2 Years
Guarantee

Applications & Suitability

  • Smaller households: A 150-litre capacity suited to smaller homes and apartments.
  • Medium-sized households: Provides practical hot water storage for households with regular domestic hot water requirements.
  • Indirect heating systems: Designed specifically as an indirect unvented cylinder.
  • Space-conscious installations: The vertical design makes effective use of available installation space.
  • Domestic hot water: Provides a dependable stored hot water solution for residential applications.

Key Specifications

Product Name Telford Tempest Stainless Steel Indirect 150L Unvented Cylinder
MPN TSMI150
Capacity 150 Litres
Height 1060 mm
Diameter 510 mm
Weight 35 kg
Orientation Vertical
Vented / Unvented Unvented
Cylinder Material Stainless Steel
Connection Size 1.75 mm
Range Tempest
Indirect / Direct Indirect
Colour White
Guarantee 2 Years

Stainless Steel Construction

Durable stainless steel construction: The cylinder is manufactured from stainless steel, providing a robust solution for domestic hot water storage with resistance to corrosion.

Reliable Tempest range: As part of the Telford Tempest range, the TSMI150 combines a practical 150-litre capacity with a vertical design for residential hot water applications.

Indirect Unvented Hot Water System

The Telford Tempest TSMI150 is specifically designed as an indirect unvented cylinder, making it suitable for indirect heating systems. Its 150-litre capacity provides stored hot water for smaller to medium-sized households, while the vertical orientation helps make efficient use of available space.

Installation & Handling

  • Vertical installation: Designed in a vertical orientation.
  • Compact footprint: 510 mm diameter and 1060 mm height.
  • Handling: The stated weight is 35 kg.
  • Connection: Supplied specification lists a 1.75 mm connection size.
  • Installation: Installation should be completed by a suitably qualified professional in accordance with applicable requirements.

Ideal For

  • Smaller homes requiring 150-litre hot water storage
  • Apartments and compact residential properties
  • Medium-sized households
  • Indirect heating systems
  • Installations requiring a vertical unvented cylinder
  • Customers looking for a stainless steel Tempest cylinder with a 2-year guarantee

Frequently Asked Questions

What is the capacity of the Telford Tempest TSMI150?

The TSMI150 has a 150-litre hot water storage capacity.

Is the TSMI150 vented or unvented?

The TSMI150 is an unvented hot water cylinder.

Is the TSMI150 direct or indirect?

The TSMI150 is an indirect unvented cylinder designed for indirect heating systems.

What are the dimensions of the TSMI150?

The cylinder has a stated height of 1060 mm and diameter of 510 mm.

What material is the TSMI150 made from?

The cylinder is constructed from stainless steel.

What is the guarantee period?

The supplied specification states a 2-year guarantee.

Telford Tempest Stainless Steel Indirect 150L Unvented Cylinder – TSMI150 provides a practical and reliable hot water storage solution for smaller to medium-sized households. With its 150-litre capacity, stainless steel construction, vertical design and indirect unvented configuration, it is well suited to domestic hot water installations where dependable performance and efficient use of space are important.

At GetPlumb, we strive to provide reliable and cost-effective delivery options to our customers. Please review our shipping policy below.

🆓 Free Local Delivery (Orders £100 & above)

We offer FREE delivery on orders £100 or more
for selected local areas.

Eligible Postcodes Include:

  • RG*
  • SL*
  • OX10*, OX11*, OX49*
  • HP1*, HP3*, HP8*, HP9*, HP10*, HP11*, HP12*, HP13*, HP14*
  • WD*, HA*, UB*, TW*, KT*
  • W1* – W9*
  • NW*, SW*

Delivery Time: 2–4 working days

Shipping Cost: £0.00

📦 Standard Shipping (Weight-Based Rates)

For orders that do not qualify for free delivery, standard
shipping rates apply based on total cart weight.

  • For cart weight between 0–2 kg, the shipping cost is £4.50 with a delivery time of 2–4 working days.
  • For cart weight between 2–24 kg, the shipping cost is £9.99 with a delivery time of 2–4 working days.
  • For cart weight between 24 kg and above, the shipping cost is £60 with a delivery time of 2–4 working days.

🧱 Block Salt (Harvey’s) – Unit-Based Shipping

This rate applies only to Harvey’s block salt products.

  • £7.99 is charged for every 3 items.
  • The charge increases by £7.99 for each additional set of 3 items.

Examples:

  • 1–3 items → £7.99
  • 4–6 items → £15.98
  • 7–9 items → £23.97

Delivery Time: 2–4 working days

📏 Large / Long Items (Length-Based Shipping)

For oversized items where the product length is 1.5 metres or more:

Conditions:

  • Product length ≥ 1.5 m
  • Cart weight ≤ 40 kg

Shipping Cost: £18.00 (flat rate)

Delivery Time: 2–4 working days

Collection from Store

Customers can also choose to collect their order from our store in
Reading, UK, at no additional charge. For any questions regarding shipping, please contact our support team at online@getplumb.co.uk.

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