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Product Code: TSMI400/HP | Availability: In Stock Lead time of 2-5 days

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Product Description

 TSMI400/HP Telford Tempest Unvented Cylinder 400 Litre Indirect Heat Pump

£1219.06 excl VAT

/ Each


TSMI400/HP Telford Tempest Unvented Cylinder 400 Litre Indirect Heat Pump

Product Description

The TSMI400/HP Telford Tempest Unvented Cylinder 400 Litre Indirect Heat Pump is designed to deliver exceptional hot water performance and energy efficiency for large households and commercial properties. This high-capacity cylinder is optimized for use with heat pump systems, ensuring maximum energy savings and a reliable hot water supply. Manufactured in the UK from high-quality Duplex stainless steel, it guarantees superior durability and corrosion resistance.

Key Features:

  • Optimized for Heat Pumps: Specifically designed to work seamlessly with heat pump systems, maximizing energy efficiency and reducing running costs.
  • High Capacity: 400-litre capacity to meet the hot water demands of larger households or commercial properties.
  • Premium Construction: Made from Duplex stainless steel for enhanced durability and superior corrosion resistance.
  • Efficient Heat Transfer: Features an advanced coil design for optimal heat transfer and rapid hot water recovery.
  • Superior Insulation: Fully insulated with high-density polyurethane foam to minimize heat loss and improve energy efficiency.
  • Safety Assured: Equipped with essential safety features including temperature and pressure relief valves, and a thermal cut-out for secure operation.
  • Easy Installation: Designed for straightforward installation with comprehensive instructions, ensuring a hassle-free setup.
  • Eco-Friendly: Utilizes renewable energy from heat pumps, reducing your carbon footprint and energy bills.
  • Versatile Compatibility: Suitable for a variety of heat pump systems, providing flexibility in installation.

Upgrade to the TSMI400/HP Telford Tempest Unvented Cylinder 400 Litre Indirect Heat Pump and enjoy a reliable, efficient, and eco-friendly hot water solution for your home or business.

Specification Table

ModelTSMI400/HP Telford Tempest Unvented Cylinder 400 Litre Indirect Heat Pump
Capacity400 Litres
TypeIndirect, Unvented, Heat Pump Compatible
MaterialDuplex Stainless Steel
InsulationHigh-Density Polyurethane Foam
Maximum Pressure3 Bar
Dimensions (HxW)1590mm x 710mm
Weight (Empty)70 kg
Heat Loss (kWh/24h)2.0
Reheat Time20-30 minutes (depending on heat pump power)
Connections22mm Compression Fittings
Warranty25 Years on Cylinder, 2 Years on Parts
ComplianceWRAS, CE Marked
InstallationFloor Standing
Safety FeaturesThermal Cut-Out, Temperature & Pressure Relief Valve
Included ComponentsCylinder, Expansion Vessel, Temperature & Pressure Relief Valve, Installation Kit
Delivery Information
Flexibility in deliveries is the most asked for feature when it comes to trade customers. So bearing that in mind you can find the delivery rules as follows : 
1. FREE Own Van Local Delivery within 40 mile radius from our warehouse at RG1 8JP and with a minimum order value of £30. FYI that roughly covers whole of Berkshire, Middlesex, and parts of South Bucks, Hertfordshire, Surrey, Oxfordshire, Central London. 
Exclusions: Water Softener Salt is only delivered free witin 25 miles radius from our Warehouse. 
2. For small orders less than 25 kgs or less than 2.1 metre length we charge for a Standard Next Day Parcel Service - £6.95 + vat 
3. For everything else there is a Big and Bulky – 2-3 days Pallet Service for £50 + VAT. 


GetPlumb customers are entitled to cancel their ccontract if they would like to within 14 days from the date of delivery. The goods have to be unused, in original packaging in like new condition. We will attempt to make refunds  within 14 days following the cancellation date. 

Returns beyond 14 days

Returns beyond 14 days are at the discretion of GetPlumb. Please contact us at online@getplumb.co.uk to see if its feasible to return your order beyond 14 days. 


How to Return Goods? 

1 - Please contact us no longer than 14 days after the day on which you receive the goods by emailing to online@getplumb.co.uk or by calling 0118 958 8882. Please include picture of the goods in original packaging. 

2 - We will then email you a returns note, which you may print and leave it in the outer packaging of your return courier.  If you do not have access to a printer just write down the returns note number on a piece of paper put it in the outer packaging of your return courier. Using a responsible courier or pallet service with sufficient insurance to cover the value of goods send the goods to 


5 Trafford Road



3 - Once the goods have been received back and inspected, you will receive your refund within 14 days.


Can you return installed or used goods? 


Can you return goods outside of returns timeframe? 





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