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The Thermowatt Incoloy 800 is a premium, heavy-duty 3kW replacement immersion heater engineered for high-performance domestic water heating applications. Featuring a 14-inch element length, this unit provides optimal heat distribution throughout the mid-to-lower sections of a hot water cylinder. It is built with a specialised 1 3/4" BSP threaded boss, making it an essential, precise fit for specific unvented and vented cylinders that require this non-standard, smaller thread size rather than the more common 21/4" profile.
- 3kW Incoloy Immersion heater for use with domestic applications
- Element length: 14"
- Complete with combined plugin Thermowatt RTS-3 dual function high-temperature range thermostat
- Brand
- Thermowatt
- Category
- Immersion Heater
- Product Code
- 580-255-0002
- Main Material
- Incoloy
- Main Colour
- White
- Box Quantity
- 1
- Weight
- 647 g
- Width
- 90 mm
- Height
- 435 mm
- Diameter
- 90 mm
- GTIN
- 0708747447071
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Our delivery policy
We will deliver goods as soon as we can. An estimated delivery date will be provided on the checkout pages. For stock items, this may be as soon as the next day, for out-of-stock items it may take a few days longer.
Local deliveries within 40 miles of our Dorchester branch. We deliver via courier to other areas of the UK excluding the channel islands.
See our 'Terms of Sale' for more information on our delivery policy. -
Our returns policy
Please see our 'Terms of Sale' for more information regarding our Returns Policy.