No you don't. We fill our electric towel rail radiators with minimum 85% Filtered RO Water (Reverse Osmosis) and inhibitor ( Ethylene Glycol ) mixture. We leave air gap for expansion and must bleed on the first heat after installation.
eBay
20/30/60Pcs Knee Heating Pad
Aliexpress UK
This stylish and useful addition to your bathroom provides the luxury of warm towels on demand, removing the need for your central heating to be turned on. We fill our electric towel rail radiators with minimum 85% Filtered RO Water (Reverse Osmosis) and inhibitor ( Ethylene Glycol ) mixture.
eBay
For ELEGOO Neptune 4 Max Hotend Kit Heatbreak Heater Cartridge 24V Thermistor Heating Block Extruder Head For Neptune4 Plus Part
Aliexpress UK
Length of Probe (M):340mm (300W), 550mm (600W), 770mm (1000W). Simply install into the bottom of a prefilled electric towel rail or radiator and hard wire into a fused spur. Output (Watts):300W, 600W, 1000W.
eBay
1/8" 1/4" 3/8" 1/2" BSP M8 M10 M12 Male Manual Exhaust valve Air Release Valve Vent Valve PN 1.6 Mpa for Heating
Aliexpress UK
Output (Watts):150, 200, 250, 300, 400, 500, 600, 800 or 900W. - 900W (800mm). Central Heating Towel Rails. Towel Rails. - 150W (360mm). Straight White Ladder Rails. Anthracite Designer Towel Rails. Stainless Steel Ladder Rails.
eBay
Briwellna Water Heater Flowing Faucet 220V Electric Tankless Water Heater Tap Swivel Spout Electric Faucet Water Heating Geyser
Aliexpress UK
T Piece for DUAL FUEL Towel Rails. Heated towel rails can be used as electric only. The expansion and contracting is all done inside the radiator and can do so freely as long as there is a sufficient gap at the top of the towel rail.
eBay
Creality K2 /K2 Pro Combo Ceramic Heating Block Kit 300℃ High Temperature Resistance High Thermal Conductivity Quick-swap Nozzle
Aliexpress UK
Overheating Protection. It has a minimalistic design and is available in many colours while being highly functional and ready to use. Large, user-friendly buttons as well as current and set temperature indication system, make MOA's use even easier and more intuitive.
eBay
For Bambu Lab A1/A1mini Hotend Mounting Heating Assembly Original For Bambu Lab A1 Mini Bambulab A1 Mini Accessories
Aliexpress UK
100W RICA PTC Positive Temperature CoEfficient Electric Heating element for converting radiators and towel rails to and electrical installation. Type 2597 Design.
eBay
For Bambu Lab A1 Hotend Upgraded Heating Assembly High temperature resistance Bambulab A1 Mini Hotend Mounting Accessories
Aliexpress UK
This stylish and useful addition to your bathroom provides the luxury of warm towels on demand, removing the need for your central heating to be turned on. We fill our electric towel rail radiators with minimum 85% Filtered RO Water (Reverse Osmosis) and inhibitor ( Ethylene Glycol ) mixture.
eBay
1/8" 1/4" BSPP M10x1 Automatic Exhaust Valve Air Release Valve Vent Valve PN 1.6 Mpa for Heating
Aliexpress UK