HTRS230 Wired non-programmable thermostat

The HTRS230 is a stylish and accurate 230V digital display room thermostat. This attractive, modern thermostat has been specifically designed to be used for underfloor heating applications.

Technical Specifications

Product type	Thermostat
Mounting type	Flush mounting
Power supply type	230V
Suitable for underfloor heating	Yes
Controlled via internet	No
Frost Protection	Yes
Frequency	2.4 GHz
Temperature control algorithm	PMW
Output voltage	230V
ErP (efficiency class)	IV
Noise-free coupling (TRIAC)	Yes
Cooling mode function	Yes
Valve protection	Yes
Size (mm)	80 x 85 x 25
Weight	125 g net
Temperature range	5 – 35°C
LCD	Yes
Temperature blocking option	Yes
Display temperature resolution	0.5
Voltage	230V
Maximum amperage	0.5 A
Stand-alone functioning	Yes
Can be part of a system with multiple thermostats	Yes
Night mode	Yes
Warranty	5 years
Product support	May 2027

Data Sheet

Quick Guide

ErP IV CERTIFIED

This thermostat has a ErP IV 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.

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HTRS230 Wired non-programmable thermostat	HTRP230 Wired programmable thermostat	HTR230 Dial thermostat 230V
Product type Thermostat	Product type Thermostat	Product type Thermostat
Mounting type Flush mounting	Mounting type Flush mounting	Mounting type Flush mounting
Power supply type 230V	Power supply type 230V	Power supply type 230V
Suitable for underfloor heating Yes	Suitable for underfloor heating Yes	Suitable for underfloor heating Yes
Controlled via internet No	Controlled via internet No	Controlled via internet No
Frost Protection Yes	Frost Protection Yes	Frost Protection Yes
Frequency 2.4 GHz	-	-
Temperature control algorithm PMW	Temperature control algorithm PMW	Temperature control algorithm PMW
Output voltage 230V	Output voltage 230V	Output voltage 230V
ErP (efficiency class) IV	ErP (efficiency class) IV	ErP (efficiency class) IV
Noise-free coupling (TRIAC) Yes	Noise-free coupling (TRIAC) Yes	-
Cooling mode function Yes	Cooling mode function Yes	Cooling mode function Yes
Valve protection Yes	Valve protection Yes	Valve protection Yes
Size (mm) 80 x 85 x 25	Size (mm) 86 x 85 x 25	Size (mm) 85 x 85 x 25
Weight 125 g net	Weight 125 g net	Weight 90g net
Temperature range 5 – 35°C	Temperature range 6 - 35 °C	Temperature range 5 - 30°C
LCD Yes	LCD Yes	-
Temperature blocking option Yes	-	Temperature blocking option Yes
Display temperature resolution 0.5	Display temperature resolution 0.5	Display temperature resolution 0.5
Voltage 230V	Voltage 230V	Voltage 230V
Maximum amperage 0.5 A	Maximum amperage 0.5 A	Maximum amperage 0.5 A
Stand-alone functioning Yes	Stand-alone functioning Yes	-
Can be part of a system with multiple thermostats Yes	Can be part of a system with multiple thermostats Yes	-
Night mode Yes	Night mode Yes	-
Warranty 5 years	Warranty 5 years	Warranty 5 years
Product support May 2027	Product support May 2027	Product support May 2027
-	Compatible with floor sensor Yes	-
-	Communication range (m) 30	-
-	Predefined programs Yes	Predefined programs Yes
-	Customizable programs Yes	Customizable programs Yes
-	Input voltage 230V	Input voltage 230V
-	Daily / Monday - Sunday programming Yes	Daily / Monday - Sunday programming Yes
-	-	SLEEP mode Yes