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WiFi towel rail element vs PTC

Updated: 16 October 2026

You have accepted 1/2 inch BSP and about 300 W, and the basket holds a £60 app element beside a £26.50 ceramic rod. This WiFi towel rail element vs PTC page is that trade-off: a 7-day schedule against a claim that the ceramic eases off near 65°C. Watt bands are on the [buying guide](/hub/heating/towel-radiator-heating-element/sub/towel-radiator-heating-element-buying-guide). The picks are on the [best towel rail heating element](/hub/heating/towel-radiator-heating-element/sub/towel-radiator-heating-element-best) page. All eight rows are on the [towel radiator heating element comparison](/hub/heating/towel-radiator-heating-element). A qualifying purchase through our links can earn us a commission at no extra cost to you.

You have accepted 1/2 inch BSP and about 300 W, and the basket holds a £60 app element beside a £26.50 ceramic rod.

Our top picks

Greened House Greened House 300W WiFi chrome

Best overall

Greened House Greened House 300W WiFi chrome
9.4/10about £60.00
View offer
Rica Rica 300W PTC element

Preis-Tipp

Rica Rica 300W PTC element
8.8/10about £26.50
View offer
Manissa Manissa 300W chrome element

Alternative

Manissa Manissa 300W chrome element
8.0/10about £23.00
View offer
On this page
  1. 1.Two ways to stop a rail running flat out
  2. 2.What the WiFi listings add
  3. 3.What the PTC listing adds
  4. 4.When each one is the wrong buy

Two ways to stop a rail running flat out

A fixed element stays at its rated watts while the spur is on. Rica's PTC listing claims the ceramic eases off near 65°C. Greened House adds a 7-day schedule and 30–70°C on the heater. Neither claim is a measured percentage saving, and neither rod is a room thermostat. A review of the Greened House element says it senses the rail, not the room. towelradiator.co.uk warns that room-sensing controls are a poor match on a dual-fuel rail. WiFi or PTC does not relax the IET note on BS 7671 Section 701: at least IPX4 in zones 1 and 2, and 30 mA RCD protection.

What the WiFi listings add

The example is the Greened House 300 W chrome element, ASIN B0DD4BZ862, at £60, with 4.7 from 45 reviews. The black WiFi model repeats the same review text, so the two counts are one pool. The schedule is why you might pay about £33.50 more than the Rica rod. One buyer's account is that the schedule cuts the hours. That is hours, not a percentage the listing proved. The same file shows a missing manual, weak WiFi, a second phone that would not join, and one leak. The lead is 110 mm. Pay £60 only if you will use the app and that lead meets the spur.
Greened House Greened House 300W WiFi chrome

Testsieger

Greened House Greened House 300W WiFi chrome
9.4/10about £60.00
View offer

What the PTC listing adds

The PTC example is the Rica element, ASIN B07GNHRP3T, at £26.50, 300 W, 1/2 inch BSP, and a 250 mm insertion. The listing says the ceramic eases off near 65°C. There is no 7-day timer in the box. Two reviews say a unit did not cut out, so stay for the first hour and switch off if the rail keeps climbing.

When each one is the wrong buy

Buy the WiFi element if you will forget a switch and the app is acceptable. Buy the PTC element if you want the lower price and you will check that it levels off. Leave the WiFi rod when the signal is weak or the 110 mm lead cannot reach. Leave the PTC rod when you need a set off-time. The £60 element sells a timetable. The £26.50 element sells a temperature claim with no clock. On a dual-fuel rail, either element waits until both valves are fully off, which is the dual fuel towel rail heating element page.

Common questions

Does a PTC towel rail element need a timer?
The Rica listing has no 7-day timer. It claims the ceramic eases off near 65°C, so it may stop a flat-out run, and it will not switch off at a time you chose. Two reviews say a unit did not cut out. If the rail must be off overnight, add a spur timer or use the WiFi schedule. PTC stands in for a timer only when the ease-off works and you never wanted a clock.
What does the app actually control?
The Greened House app is the 7-day schedule and a stated 30–70°C range on the heater. Reviewers call it Tuya, Smart Life, or Home Assistant. A review says it senses the rail, not the room. Notes include a missing manual, a second phone, and a timer screen that was hard to find. If that setup is more than you will tolerate, the £60 element is the wrong control.
Will either one heat the room to 21°C?
Neither listing sets the room air to 21°C. Rica claims about 65°C on the element. Greened House claims 30–70°C on the heater, and a review says it senses the rail. A hot rail can take the edge off a small bathroom. Buy a room heater if you need to replace a radiator sized for the space. Watt bands stay on the buying guide.
How much is an hour at full 300 W?
Full-load 300 W is 0.3 kWh an hour. Times Ofgem's 26.32 pence per kWh Direct Debit average for England, Scotland, and Wales, 1 October to 31 December 2026, that is about 7.9 pence, for Rica or Greened House while both draw 300 W. Northern Ireland is outside this average. A schedule can cut the hours. That is not a tested percentage saving.
Do I need strong WiFi in the bathroom?
You need it for Greened House, because the schedule lives in the app reviewers call Tuya, Smart Life, or Home Assistant. Notes include a weak signal, a second phone, and a missing timer screen. A weak signal means the £60 schedule never runs. Rica has no app. The 110 mm lead is separate: the spur still has to sit next to the rail.
Which one on a dual-fuel rail?
Either can heat an isolated rail: both valves fully off, the air vent eased, then power. towelradiator.co.uk warns that a room-sensing control is a poor dual-fuel match because it fights the heating. A Greened House review says that element senses the rail, not the room. The Rica claim is a 65°C ease-off, with no timer. Rail sensing does not make open valves safe. Open valves are the burn-out case, whichever control you bought.

Related pages

Bathroom zones for electric heat

Towel radiator heating element

Best towel rail heating element for schedule or heat

Towel rail heating element buying guide: fit first

Dual fuel towel rail heating element: both valves off

How to replace a towel rail heating element safely

Sources

Public UK sources used for this comparison, plus the amazon.co.uk listings for these eight ASINs. Page updated 16 October 2026. Prices are the shelf figures on those listings, not a live re-check.

  1. IET Section 701 note (retrieved 16 October 2026)
  2. IET BS 7671:2018 FAQ (retrieved 16 October 2026)
  3. Approved Document P (2013) (retrieved 16 October 2026)
  4. Electrical Safety First: bathrooms (retrieved 16 October 2026)
  5. Ofgem price cap, 1 October to 31 December 2026 (retrieved 16 October 2026)
  6. Elegant Radiators heating elements guide (retrieved 16 October 2026)
  7. The Radiator Company dual-fuel guide (retrieved 16 October 2026)