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Thermix KPH 1500 Classic Hydronic (1545 Watts/5270 BTU)

Rated 4.91 out of 5 based on 11 customer ratings
(11 customer reviews)


The kph 1500 classic can be integrated straight into your existing central heating system. This model KPH 1500-C  in the hydronic range providing outputs of 1.40 kW on normal speed and 1.55 kW on boost speed. Our classic models come with two speed option and integral water temperature switch to activate the heater when central heating system comes on.

Product Brochure / Technical Drawing / Product Manual – Click here


•Heater unit with two speed switch
•White Grille (fixed to the unit) – Made out of 0.9mm steel for extra strength
•2X Grille fixing Screws
•Pair of 15mm compression flexible hose (900mm long) – WRAS approved.
•Instruction manual


The kph 1500 classic is a highly energy efficient fan convector that fits into the plinth of a kitchen unit eliminating the need for conventional radiators. This brings considerable space saving to allow you to design your kitchen.

Kitchen plinth heaters are predominantly used in domestic applications where the plinth mounting feature makes it ideal for heating kitchens, utility rooms and bathrooms (low voltage model only). Kitchen plinth heaters are ideal for certain non-domestic application’s such as office reception areas, changing rooms, libraries and shops and restaurants.


Additional information

Grille Colour

White, Silver, Black, Brushed Stainless Steel

• Power supply 230V-50Hz
• Electrical Connection via 3A fused spur
• Heat output of 1200 watts @ Normal speed and 1500 watts @ Boost speed. (Based on entering water temperature of 70°C).
• Max. Operating pressure : 6bar
• Pipe connection size: 15mm
• Warranty is 2 year parts, repair or replace the product if it is found to be defective in material or workmanship. (This warranty does not apply to damage resulting from abuse or unreasonable use or supplemental damage caused by incorrect installations).
• Running Costs can be Approx. 10 pence per week(based on 5 hours of running per day)
• Product weight 4.5kg
• Product dimensions: 500mm x 290mm x 105mm (LxDXH)
• Minimum clearance of 20mm between top of product and underside of shelving required

11 reviews for Thermix KPH 1500 Classic Hydronic (1545 Watts/5270 BTU)

  1. Rated 5 out of 5

    Elizabeth Jenkins (Colchester )

    We used Thermix Uk ltd to add a KPH 1500C plinth heater to our kitchen and a Habanero fan assisted radiator to our conservatory and a much needed radiator to our hall, the process was made so easy from start to finish, thank you so much, looking forward to a nice warm home this winter

  2. Rated 5 out of 5

    Annabel Downing (verified owner)

    We have recently had a new kitchen fitted in our house and installed the KPH-1500 classic plinth heater. It Is connected to our main central heating so when our heating is on, it automatically comes on. Heats up our kitchen better than the old radiator we took out! There are two fan settings which is great when you want to heat the room fast. The fan is quieter than our fridge so don’t notice it’s on. It looks great under our sink and the grey really compliments our blue kitchen. Delivery was super fast and the office staff were really helpful. Would highly recommend this plinth heater, good value for money, looks great, really quiet and works perfectly.

  3. Rated 5 out of 5

    David Houldin (verified owner)

    My kitchen is of a small size and little room for a radiator,the 1500 classic heater once installed through the central heating has proved a good buy.It warms the kitchen up very nicely and of a cold winters morning even using the slower of the two speeds on the fan.The technical support staff were very helpful before I ordered and I would certainly recommend this type of heater to anyone who is limited for kitchen space,as it takes up no room whatsoever.

  4. Rated 5 out of 5

    Richard Empson

    Replacement for a worn out Myson heater. This heater is very efficient and whisper quiet in operation. Delivery was very quick. I am impressed.

  5. Rated 5 out of 5

    Catherine McClymont (verified owner)

    Great heater easy to fit this was a replacement for original unit which lasted about 8 years

  6. Rated 4 out of 5

    Anonymous (verified owner)

    Impressive little heater,

  7. Rated 5 out of 5

    Barry (verified owner)

    Nice little kit

  8. Rated 5 out of 5

    Lynne (verified owner)

    Fantastic- have a warm kitchen now not an ice box!

  9. Rated 5 out of 5

    Anthony f. (verified owner)

    Fast delivery of item, fitted easily , customer warm and happy.

  10. Rated 5 out of 5

    John G. (verified owner)

    Great value, kicks out lovely warm air and our cold kitchen is now warm.

  11. Rated 5 out of 5

    Bill Bowie

    Delivered in 3 days, easy to fit and does exactly what it should. A great British product.

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