Sale Icon
Review Icon
Free Delivery Icon
  • BN Thermic RST3-TP Tamper-Resistant Room Thermostat IP30 Class II 16(4)Amp Max

BN Thermic RST3-TP Tamper-Resistant Room Thermostat IP30 Class II 16(4)Amp Max

Model No. RSTTP by: BN Thermic
Availability: Normally In Stock


List price £80.00
You save £26.40!
Free Delivery
(over £100+VAT, applies to zones A&B only , £6 +VAT otherwise)
Click & Collect
Order online & collect in store

This is the BN Thermic RST3-TP Tamper-Resistant Room Thermostat IP30 Class II 16(4)Amp Max available at Sparks Electrical Wholesalers at the best price. It has a tamper–resistant cover. Gas bellows / membrane improve control accuracy

BN Thermic RST3-TP Tamper-Resistant Room Thermostat - Specs

  • Adjustable Range: +5°C to +35°C
  • Mounting: Surface-mounted
  • Switching capacity: 16A 230V
  • Voltage supply: 230V mains voltage
  • Contacts: Single pole, single throw
  • Dimensions: 83mm x 83mm x 45mm
  • Ingress protection: IP30 rated
  • Special features: Gas Bellows / Membrane improves control accuracy
  • Sensing Element: Gas Bellows
  • Switch Rating: 230V / Volt Free
  • Temperature Range: 5°C to 35°C
  • Switching Differential: ≤ 1.5°C
  • Switch Type: S.P.S.T
  • Current Rating: 16(4)Amp Max
  • Dimensions: Width 83mm x Height 83mm x Depth 45mm
  • Fixing method: Surface or standard recessed metal box
  • The Thermostat is a Class II (double-insulated) device.
  • Complies with EN60730-1, EN60730-2.7, EMC Directive 2004/108/EC, LVD Directive 2006/95/EC

Note: Some images and pictures are for reference only. The item may differ from the image/picture due to manufacturer's change. Should you require the exact item in the picture, please call or email us to enquire.

Need more detailed specs?

Ask a question

Note: HTML is not translated!

How to Use a Thermostat to Alter Your Body Temperature and Sleep Better

Body temperature plays a role in good sleep, and at this time of year that can be difficult to get right. If it isn't too cold, it's blisteringly hot because the central heating is on, and even sleeping with one leg out of the covers doesn't help (trust us). So it wasn't exactly a surprise to find an article on body temperature regulation, which suggests controlling the temperature in the bedroom at night to help with the snoozing. We can do this. We have the technology. Body Temperature and Good Sleep According to the research cited in that article, relative warmth promotes sleep onset, but a decrease in temperature may actually help you stay asleep. Importantly, that's a change of only one or two degrees either way to avoid getting severely ill. This is a good summary of what the research found: Fitting human subjects with thermosuits, the scientists were able to lower skin temperature less than a degree Centrigrade without affecting core body temperature. The changes were dramatic. People didn't wake up as much during the night and the percentage of the sleep spent in stages 3 and 4 (deep sleep) increased. The effects were most pronounced in the elderly and in people who suffered from insomnia. A 0.4 C decrease in skin temperature caused a decline in the probability of early morning waking from 0.58 to 0.04. We're assuming, for this post, that you don't have a thermosuit lying around the house. But we know where you can get hold of a decent thermostat. Using a Thermostat to Get a Good Night's Rest  For this experiment, you'll need a good programmable thermostat like the BN Thermic Room Thermostat - either one of these will regulate the temperature like a normal thermostat, but they will also raise or lower it at certain times during the week. You'll also need a handle on your usual sleeping hours. For example, at Sparks Electrical we like to get a good night's sleep, so a good time to briefly raise the temperature might be 9pm-10pm, and then lower it afterwards, at 10:30pm-11pm.Best Room Thermostat at Sparks That isn't exact, and it might take a few days to figure out your patterns. Play around a little to find a comfortable room temperature: you're aiming to slightly alter your body temperature to promote deep sleep. There are no absolutes here, and everyone will be different. PLEASE NOTE: it's dangerous for your health to change your body temperature more than a couple of degrees, especially if you're doing that every night. So once you've established a comfortable room temperature, don't raise or lower that number at night by more than one or two degrees. If you do decide to go down this route, let us know how it went in the comments! If you don't, how do you get a good night's sleep? Image by Gino Zahnd (Creative Commons)


Sparks Direct delivers via courier to the UK only; the standard delivery charge is £6 + VAT for all orders under £100 + VAT. If your order is over £120, you get free delivery (unless there's a special delivery charge for the items you wish to order or you're in shipping zone C or D). Full details for shipping charges can be found via Terms and Conditions.

If the items you order are in stock and the order is placed before 1.00pm, delivery can be made within 1-2 working days. If the items are not in stock, we will inform you via email how long it will take or ask for your confirmation if there's a long lead time.


We offer 30-day returns for unwanted items - please email us to request a returns number which will need to be quoted when the items are returned. For faulty items or items damaged in transit, please advise via email, and an appropriate returns number will be provided. Full details concerning returns and refunds can be found via our Terms and Conditions.