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Product Details

Suitable for use in hard and soft water areas. Conforms to safety standards effective April 2004.

Technical Specification
Manufacture ID IH550
Size (Inches) 27
Delivery details
Order value: Under £10 £10 & over
Express usually Next Business Day before 6pm £5 Free
Turbo usually Next Business Day before 12 noon £10 £5
Remote areas standard delivery (2-4 days) £5 Free
Order Value: Under £25 Over £25 but less than £75 £75 & Over
£10 £5 Free

Please note items delivered by our suppliers are not available for the options above. Delivery times may vary.

More about Delivery & Returns
Click & Collect details
If you are using our Click & Collect service please note the following:
  • Order online or over the phone and collect in branch from 10 minutes later.
  • Ensure you check stock is available for collection at your chosen branch.
  • Check branch opening hours to ensure you have sufficient time to collect.
  • For items not available for same day collection, place order before 8pm Mon-Sat (4pm Sun) and you can collect Next Business Day (Mon-Fri) after 3pm.
  • If we have your mobile number, we’ll send you a text when your order is ready to collect.
Long Life Incoloy Immersion Heater & Resettable Thermostat 27" is rated 4.3 out of 5 by 19.
Rated 5 out of 5 by from Immersiin tank heater element assembly Came with fibre washer used on old style immersion tanks cabled in easily.
Date published: 2019-06-10
Rated 1 out of 5 by from Poor qualiy Not worth buying as it hasn't lasted 2 months
Date published: 2019-06-02
Rated 5 out of 5 by from Lighting fast Ordered at evening arrived next day in the morning. Amazing.
Date published: 2019-03-13
Rated 5 out of 5 by from Excellent product and excellent service Not much I can add....first class from start to finish at a very good price / quality
Date published: 2018-09-03
Rated 3 out of 5 by from Thermostat problem Once again used Toolstations excellent delivery service for this 27" immersion heater and a few other essentials. Bit confused when it arrived as the element is Incoloy but with a copper 'pocket'. The enclosed leaflet says it's not suitable for stainless steel cylinders - apparently this is model TIH550 - for an all Incoloy model TIH650 is required - as it happens I have a copper cylinder but living in a moderately hard water area I thought I would fit Incoloy to help the immersion's life - but I decided to install this one anyway. Toolstation really ought to make the description much clearer in their catalogue though. Anyway am pleased to say the removal and fitting went without too much of a problem - but it didn't work! - much testing later I realised the Thermostat was dead - no current was passing through it - wiring the element directly meant it worked So fearing I might end up having to take out and return the whole element/thermostat I decided instead to take the faulty thermostat to the Macclesfield branch. Jason and Sophie were most helpful, great customer service - gave me the thermostat from another unit - thank you both. Fitted and everything working OK now. Does make me wonder though as to the 'quality checking' and reliability of these heaters.
Date published: 2018-08-03
Rated 4 out of 5 by from Needed some adjustment. The element was not square to the flange so hit the heating coil preventing the thread from starting. Thread came slightly damaged so needed careful filing to restore and allow the flange to seat. Expected better really.
Date published: 2018-03-09
Rated 3 out of 5 by from Beware, not all Incoloy I bought this as an Incoloy immersion for use with a stainless steel cylinder. However, it has a copper thermostat pocket and a leaflet inside saying 'Not recommended for use on stainless steel cylinders'. Luckily Toolstation has a good return a& refund service.
Date published: 2018-03-01
Rated 5 out of 5 by from Does the job and does it well. Working well to date.....
Date published: 2018-02-03
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