10 Best Thermix Plinth Heater for 2026
List of Top Rated Thermix Plinth Heater from thousands of customer reviews & feedback.
Updated On August 2026 356 Reviews Studied By Customer Ratings
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KPH-1500Classic - Kitchen Plinth heater - Central Heating - Hydronic - 1.5kW (White)
Thermix
- 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 
Smiths 2kW Electric Kitchen Plinth Heater SS2EW with Brushed Steel Effect Grille - Room size upto 29 cubic metres - 5 Ye...
Smiths
- 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 
Smiths Hydronic Plinth Heater Space Saver 3 in Stainless Steel Effect
Smiths
- Max Room Size 23m³
- Decibel Level 26-39dB
- Energy Consumption 16-21W
- Power Supply 3A
- 15mm Plumbing Connection
4 
Winterwarm WWFH20E Plinth Heater, 2000 W, 240 V, White
warm-winter
- 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 
CDA APH01SS Stainless Steel Plinth Heater
CDA Products
- 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 
Thermix KPH-1300 Basic (Black)
Thermix
- 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 
Smiths Hydronic Plinth Heater Space Saver 5 in Stainless Steel Effect
Smiths
- Max Room Size 37m³
- Decibel Level 27-43dB
- Energy Consumption 21-30W
- Power Supply 3A
- 15mm Plumbing Connection
8 
Diamond 500 Central Heating Kitchen Plinth Heater: White Grille Under Cupboard Heater
Bidex
- 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
KPH-2100 Classic - Kitchen plinth heater - Central Heating - Hydronic - 2.1kW (White)
Thermix
- 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 
Thermix KPH-1800 Wireless(Pat pending) - Kitchen Plinth Heater - Central Heating - Hydronic -1.8Kw (Brushed Stainless St...
Thermix
- 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
