The Salus RT520 Boiler Plus Compliant Thermostat is the most cost effective, fully compliant Boiler Plus thermostat solution on the market. It comes with a new on-board load compensation feature, providing homeowners with superior efficiency and enhanced heating control comfort.
It includes an LCD display and a selection of added operational and efficiency functions, including 4 energy saving features that make your system Boiler Plus compliant. This thermostat can be programmed to make sure that you know exactly when a boiler service is required and the landlord can then access to action. It also comes with a landlord PIN entry option, giving a landlord or building owner access to certain settings and menus
Load Compensation: This is one of the 4 energy saving features that makes a system Boiler Plus compliant. Therefore the RT520 is the most cost effective, fully compliant thermostat option on the market.
Taking the most commonly used OpenTherm protocol compatible with most new boilers sold in the UK, on board load compensation allows the homeowner to more efficiently manage their heating and reduce energy usage and costs.
Code: RT520
Customer Reviews5.05 5.0/5 Based on 6 reviewsShow all reviews
Replacement For Old Digital Room ThermostatReviewed by Mobilemule70 on 14 Oct 2025
Having recently got our smart meters working properly and showing us how much gas,and electricity we were using, our next step was to update the room thermostat. Being familiar with the Salus smart wi fi thermostat in our holiday caravan I opted for the Salus RT520 to replace our ageing Sunvic digital wired room thermostat following advice on line. It took some time to understand how to set up the thermostat and I would recommend anyone purchasing this device to read the instructions a few times as once you start,l the programming process moves quite quickly. I resorted to writing down what I had to do after reading the instructions a few times and understanding what I had to do. It did take a few times to get it right but I like a challenge. The outcome is very satisfying in that I ended up with an automatic central heating thermostat with programmed settings that gives me the temperatures I want to achieve at different times of the day and night rather than simply turning it on and off at different times of the day. Now I simply programme the heating to come on most of the day and night but regulate it by setting different temperatures for different times of the day/night. I am very pleased with my purchase.
Great serviceReviewed by Michael on 07 Mar 2025
Easy ordering, best price and quickly delivered.
as aboveReviewed by Mchsideris on 12 Dec 2024
as above
Salus RT520Reviewed by Raga555 on 12 Dec 2024
Salus have a fantastic range of programmers,i have used them for years.The RT520 has a very large clear display which makes setting up & using a easy job
Outstanding bit of kitReviewed by P Duffy on 08 Dec 2023
Fitting and setting up was simplicity itself and there was an immediate response from the central heating system. The temperature was held accurately at the programmed limits and a quick check of the meter showed that it was more economical. The package information is basic and a download of the full manual is essential to get the best from the unit
What our customers are saying about this product.
| Delivery Option | Delivery Time | Cost |
|---|---|---|
| Standard Delivery | 2-3 working days | £6.00 (£5.00 exVAT) |
| FREE Standard Delivery (orders over £99 exVAT)* | 2-3 working days | FREE |
| Next Working Day Delivery (order before 2pm) | Next working day | £9.99 (£8.33 exVAT)* |
| Next Working Day by 12pm (order before 2pm) | Next working day | £20.00 (£16.67 exVAT) |
| Next Working Day by 10:30am (order before 2pm) | Next working day | £21.60 (£18.00 exVAT) |
| Saturday Delivery (order before 2pm Friday) | Next working day | £20.00 (£16.67 exVAT) |
| Northern Ireland, Highland & Islands Delivery | 3-5 working days | £9.99 (£8.33 exVAT) |
Important: Orders placed after 2pm on Friday (or over the weekend) are processed on Monday for next working day delivery. Next Day & Saturday Delivery options NOT available on all products.
*FREE Standard & Next day delivery available on select products and will be clearly shown on the product page.
Please note: we cannot be held responsible for missed deliveries. Customers are advised to check their spam or junk folder to ensure tracking information and estimated delivery details are received.
Some products require specialist handling:
Last updated May 23, 2024
Thank you for your purchase, we hope you are happy with it.
However, if you are not completely satisfied with your purchase for any reason, you may return it to us for a full refund, store credit, or an exchange; please see below for more information on our returns policy.
RETURNS
If you find you have received the wrong or damaged item(s), you need to contact us within 7 days of receipt of goods. Any time after this you are responsible for returning the goods at your own cost following the standard returns process.
All returns must be postmarked and in writing within fourteen (14) days of the purchase date. All returned items must be in a new, unopened and unused condition, with all original tags and labels attached.
RETURN PROCESS
To return an item, please click the ‘Download Returns Form’ below and complete all data fields. You can then email this to our team once completed.
Place your item(s) securely in its original packaging along with the returns form.
Please note that the RMA# on the returns address is your original order number; please ensure to reference this on the returns address, as per below.
You are now ready to mail your return to the following address:
Attn: Returns
RMA #/Order No -
Eco WizardUnderfloor Wizard Ltd t/a ECO Wizard
Beechfield House
Winterton Way
Macclesfield
Cheshire
SK11 0LP
United Kingdom
We ask that all customers when returning products send the goods via a trackable courier service. Underfloor Wizard Ltd t/a ECO Wizard will not be held responsible for goods which do not arrive at our premises.
Please note, you will be responsible for all return shipping charges, unless in the instance of damaged/faulty goods received in which case we can issue you with a returns label to cover the cost of postage.
REFUNDS
After receiving your return and inspecting the condition of your item, we will process your return or exchange. Please allow at least seven (7) days from the receipt of your item to process your return or exchange. Refunds may take 1-2 billing cycles to appear on your credit card statement, depending on your credit card company. We will notify you by email when your return has been processed.
Faults on installed products:
If a product that has been installed develops a fault, please contact us, do not uninstall the product yourself. We will arrange for an engineer or technical support from the brand to assist with diagnosing the fault. Once the fault has been confirmed we can then arrange for the necessary next steps to occur.
EXCEPTIONS
The following items cannot be returned or exchanged:
QUESTIONS
If you have any questions concerning our return policy, please contact us at: returns@ecowizard.co.uk
