10 Best Thermix Plinth Heater for 2025

List of Top Rated Thermix Plinth Heater from thousands of customer reviews & feedback.

Updated On Apr 2025

1,448 Reviews Studied

By Customer Ratings

1
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KPH-1500Classic - Kitchen Plinth heater - Central Heating - Hydronic - 1.5kW (White) Read Review

  • Power supply 230V-50Hz       Pipe connection size: 15mm 
  • Electrical Connection via 3A fused spur
  • Heat output of 1260 watts @ Normal speed and 1450 watts @ Boost speed. (Based on entering water temperature of 70°C)
  • Max. Operating pressure : 6bar
  • Pipe connection size: 15mm 
2
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Smiths 2kW Electric Kitchen Plinth Heater SS2EW with Brushed Steel Effect Grille - Room size upto 29 cubic metres - 5 Ye... Read Review

  • Electric kitchen plinth heater with Room Thermostat
  • Room size guide: 22m3. Heat output: Normal - 1kW (3410 BTU); Boost - 2kW (6820 BTU)
  • 5 year parts and labour warranty. UK manufactured
  • Supplied with stainless steel grille - 6 other overlay grilles available as accessories (in Brown, Chrome, Brushed Steel, Gold, Black, Aluminium)
  • Connects to and runs from your standard electric system
3
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Smiths Hydronic Plinth Heater Space Saver 3 in Stainless Steel Effect Read Review

  • Max Room Size 23m³
  • Decibel Level 26-39dB
  • Energy Consumption 16-21W
  • Power Supply 3A
  • 15mm Plumbing Connection
4
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Winterwarm WWFH20E Plinth Heater, 2000 W, 240 V, White Read Review

  • Winterwarm - a GLEN DIMPLEX brand
  • Blue-tooth Remote Control
  • Programmable seven day timer
  • Accurate electronic thermostat
  • No Plug! 3 core for fused spur installation 1/N/PE 230-240V 50Htz - Class 1 with Earth Wire
  • Same size as previous Winterwarm models
5
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CDA APH01SS Stainless Steel Plinth Heater Read Review

  • Stainless steel finish, 13 A Power supply
  • 3 heat settings: cold (fan only), warm, hot
  • On-off switch with neon indicator
  • Automatic safety cut out
  • Rated electrical power: 2kW
6
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Thermix KPH-1300 Basic (Black) Read Review

  • Power supply 230V-50Hz Electrical Connection via 3A fused spur     
  • Heat output of 1300 watts (based on entering water temperature of 70°C).
  • Max. Operating pressure : 6bar 
  • Pipe connection size: 15mm (No Flexible Hose supplied)
  • Single Speed Fan
7
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Smiths Hydronic Plinth Heater Space Saver 5 in Stainless Steel Effect Read Review

  • Max Room Size 37m³
  • Decibel Level 27-43dB
  • Energy Consumption 21-30W
  • Power Supply 3A
  • 15mm Plumbing Connection
8
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Diamond 500 Central Heating Kitchen Plinth Heater: White Grille Under Cupboard Heater Read Review

  • Kitchen plinth heater + White grill for use with central heating systems (0.9kW - 1.2kW).
  • Automatically switches on and off with central heating system.
  • Fits under a 500mm wide kitchen cabinet
  • Supplies enough warmth to heat a 27 cubic metre room.
  • Plinth heaters are an efficient way of heating your room. 24% more efficient than panel radiators
9
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KPH-2100 Classic - Kitchen plinth heater - Central Heating - Hydronic - 2.1kW (White) Read Review

  • Power supply 230V-50Hz
  • Electrical Connection via 3A fused spur 
  • Heat output of 1669 watts @ Normal speed and 1861 watts @ Boost speed.
  • Max. Operating pressure : 6bar 
  • Pipe connection size: 15mm 
10
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Thermix KPH-1800 Wireless(Pat pending) - Kitchen Plinth Heater - Central Heating - Hydronic -1.8Kw (Brushed Stainless St... Read Review

  • Thermostatically controlled plinth heater with wireless thermostat
  • Power supply 230V-50Hz via 3A fused spur
  • Heat output of 1505 watts @ Normal speed and 1702 watts @ Boost speed.
  • Max. Operating pressure : 6bar
  • Pipe connection size: 15mm

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It’s our kind responsibility to provide you with the most accurate review of the best and latest Thermix Plinth Heater available on the market. We also ensure that you must know what you have to consider before buying Thermix Plinth Heater. Considering such a scenario a challenge, we put in in-depth research leveraging Artificial Intelligence and Machine Learning; we reach a sound conclusion with a list of the most precise products mentioned above. At Envirogadet, we put our own unique and exceptional algorithms to use with the aim to generate lists of Top 10 brands and give them our own Scores, and the products find their rank from 1st to 10th based on these scores.