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12V Water Heater

12V Water Heater

Waterheater 40L SPA 230V 750W With Mixing Valve

Part Number:
RRP £: 805.92
Availability: Out of Stock. Order for delivery in 8 - 12 weeks
No Payment taken until items are shipped

To see delivery prices please check delivery tab or cart

Easy Returns
Easy Returns
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Buy With Confidence

This high quality range of Isotemp water heaters are extremely effi cient due to an extended corrugated coil surface. Available
in various models, the SPA heaters feature extra thick thermal insulation to supress heat loss, and are housed within impact
resistant, high quality propylene casing.

High quality stainless steel AISI 316, materials and same proven high-performing internal design of the renowned ranges (Slim
and Basic stainless steel water heaters).
The heating element is isolated from the rest of the tank by means of a unique system in the marine market, which uses a
specific gasket between the flange of the heating element and the tank, to prevent the damage caused by galvanic currents.
Corrugated and extended surface of the single coil for higher heat exchange effiiciency.
Robust and compact design.
Tank mounting brackets are supplied as standard in each package
5 year limited warranty on the inner tank against corrosion or material stress and 2 years warranty on the product

Technical Specifications:
High quality stainless steel inner water tank AISI 316
Outer casing made of high quality polypropylene, grey in colour
Fixing brackets in 304 stainless steel
Insulation: CFC free polyurethane foam directly injected
Corrugated and extended surface single coil (heat exchanger) in stainless steel AISI 316 for higher heat
exchange efficiency through the hot engine cooling water
Immersion heating element in copper nickel plated tube to heat water when the engine is not running: 230
V 750W as standard, 115 V 750W opt
6 bar safety valve

Depth:                   390 x Length: 640mm
Weight:                 13.3kg
Nominal Power:    750 kW
Volume:                40L

Here is what one of our customers has said, if you want to check out some more of our 5-star reviews you can see them here.

More Information
Availability Out of Stock. Order for delivery in 8 - 12 weeks
No Payment taken until items are shipped
Part Number6P4031SPA0003
Shipping TypeStandard


We make sure to list our stock so you know upfront when your order will be with you, most items we send are sent on next-day service as standard however some orders to harder-to-reach locations such as Scottish Islands or Channel Islands may go on a 48-hour delivery to keep delivery costs to a minimum. 

Due to the wide range of items we sell shipping costs can vary such as heavy batteries and inflatable boats require a pallet. To see the shipping cost of items use our shipping calculator below. 

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Fill in your delivery details to check available shipping options and calculate rates for this product

This is not indicative of the final shipping price, to see that add all your items to your basket or see the delivery costs below.

Delivery costs are as follows - Check the Shipping Type of your product on the 'More Information' tab.


Mainland UK - £0-150 - £6.5 /  £150 - £250 - £3.25 /  £250+ - Free

Isle of Mann, Jersey, Gurnsey - £0-150: £15 / £150 - £250: £7.5 / £250+: Free


Mainland UK - £0-150 - £6.5 /  £150 - £250 - £3.25 /  £250+ Free

Isle of Mann, Jersey, Gurnsey - Unable to ship due to courier restrictions


Mainland UK - £0-500 - £23 £500+ - Free

Isle of Mann, Jersey, Gurnsey - Please Call for Quote

Inflatable Boat

Mainland UK - £0-500 - £30 £500+ - Free

Isle of Mann, Jersey, Gurnsey - Please Call for Quote

Heavy Battery

Mainland UK - £0-850 - £26 £850+ - Free

Isle of Mann, Jersey, Gurnsey - Please Call for Quote



We have a 30-day returns policy so If for whatever reason you are not happy with your order we can exchange it for another or offer a full refund if you log it with us within 30 days of receipt of the goods. 

Find out more about our returns policy here.