RT520RF Wireless programmable thermostat

OpenTherm communication enables a more precise control on the boiler or installation by adjusting the temperature to match the varying demand from the thermostat, helping you save energy.

Manual mode available.

Intuitive menu that allows you to easily control temperature.

Advanced temperature control.

TECHNICAL SPECIFICATIONS

Product type	Thermostat
Mounting type	Wall or desk
Power supply type	Battery
Suitable for underfloor heating	No
Controlled via internet	No
Frequency	868MHz
Temperature control algorithm	TPI
OpenTherm	Yes
Output voltage	Volt free
ErP (efficiency class)	V
Cooling mode function	Yes
Adjustable hysteresis	0.25°C – 0.5°C
Size (mm)	95 x 118 x 26
Temperature range	5 – 33.5 °C
Optimisation functions	Yes
LCD	Yes
Landlord PIN	Yes
Display temperature resolution	0,5/0,1
Battery type	2xAA Batteries
Communication range (m)	30
Predefined programs	Yes
Customizable programs	Yes
Quick installation / connection	Yes
Service mode	Yes
Works with NO or NC actuators	Yes
Warranty	5 years
Support period end date	2030-12-31
Support period	5 years

Quick Guide

User manual

Data sheet

Boiler Plus Compliant

Boiler Plus is a set of standards meant to improve the way people use energy in their homes and to maximise energy efficiency.

Our Boiler Plus range provides thermostats with onboard load compensation and a range of connected thermostats with optimisation and automation.

ErP V CERTIFIED

This thermostat has a ErP V certification that guarantees its energy consumption is below the agreed limits. The ErP is an EU directive which regulates the market of energy-related products. The ErP certifications are credited to products that are energy and resource efficient.

Thermostat bracket

RXRT520 Receiver

2 x AA batteries

Mounting screws

What's
in the box

Compare to
choose

RT520RF Wireless programmable thermostat	DT600RF Wireless programmable OpenTherm thermostat	WQ610RF Wireless programmable thermostat
Product type Thermostat	Product type Thermostat	Product type Thermostat and Receiver
Mounting type Wall or desk	Mounting type Wall or desk	Mounting type Wall
Power supply type Battery	Power supply type Battery	Power supply type Battery
Suitable for underfloor heating No	Suitable for underfloor heating No	Suitable for underfloor heating No
Controlled via internet No	Controlled via internet No	Controlled via internet No
Frequency 868MHz	Frequency 868MHz	-
Temperature control algorithm TPI	Temperature control algorithm TPI	Temperature control algorithm ITLC
OpenTherm Yes	OpenTherm Yes	OpenTherm Yes
Output voltage Volt free	Output voltage Volt free	-
ErP (efficiency class) V	ErP (efficiency class) V	ErP (efficiency class) V
Cooling mode function Yes	Cooling mode function Yes	-
Adjustable hysteresis 0.25°C – 0.5°C	-	Adjustable hysteresis 0.25
Size (mm) 95 x 118 x 26	Size (mm) 120 x 90 x 29	Size (mm) 86 x 86 x 11
Temperature range 5 – 33.5 °C	Temperature range 5 – 33.5 °C	Temperature range 5 – 35°C
Optimisation functions Yes	Optimisation functions Yes	-
LCD Yes	LCD Yes	-
Landlord PIN Yes	Landlord PIN Yes	Landlord PIN Yes
Display temperature resolution 0,5/0,1	-	Display temperature resolution 0.5
Battery type 2xAA Batteries	Battery type 2 x AA batteries	Battery type LI-ION battery
Communication range (m) 30	-	-
Predefined programs Yes	-	-
Customizable programs Yes	-	-
Quick installation / connection Yes	Quick installation / connection Yes	-
Service mode Yes	Service mode Yes	Service mode Yes
Works with NO or NC actuators Yes	-	Works with NO or NC actuators Yes
Warranty 5 years	Warranty 5 years	Warranty 5 years
Support period end date 2030-12-31	Support period end date 2030-12-31	Support period end date 2030-12-31
Support period 5 years	Support period 5 years	Support period 5 years
-	Frost Protection Yes	-
-	Voltage 230V	Voltage 3,7V
-	Maximum output amperage 3 (1) A	-
-	Daily / Monday - Sunday programming Yes	-