Ster room thermostat RTW501
Art. RTW501
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Honeywell Home Round On/Off Room Thermostat
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Description
The Honeywell Home Round On/Off T87G2014-E is a simple and reliable on/off room thermostat designed for heating systems with a 24V 2-wire on/off control system. This thermostat combines the well-known round Honeywell design with intuitive rotary control and a clear backlit display.
Using the central rotary ring, the desired temperature can easily be adjusted in 0.5°C increments. The thermostat normally displays the current room temperature and shows the set temperature during adjustment. The Round On/Off operates without regular battery replacement thanks to its lifetime power pack and is suitable for a wide range of on/off heating systems, including boilers and district heating installations.
On/Off Control
Suitable for 24V 2-wire heating systems
Simple Rotary Dial Control
Adjust temperature using a single dial
Backlit Display
Displays room temperature and set temperature
Lifetime Power Pack
No regular battery replacement required
Quick Explanation
The Honeywell Home Round On/Off is an on/off thermostat. This means the thermostat switches the heating system on when heat is required and off when the desired temperature has been reached. Unlike a modulating OpenTherm thermostat, it does not adjust the boiler output.
The Honeywell Home Round On/Off is an on/off thermostat. This means the thermostat switches the heating system on when heat is required and off when the desired temperature has been reached. Unlike a modulating OpenTherm thermostat, it does not adjust the boiler output.
Quick Answer: Is This the Right Thermostat?
- Yes → if your installation supports a 24V 2-wire on/off thermostat
- Yes → if you are looking for a simple room thermostat without weekly programming
- Yes → if you prefer temperature adjustment using a rotary dial
- Yes → if you want a clear backlit display
- No → if you need a modulating OpenTherm thermostat
- No → if you want Wi-Fi, app control or a programmable schedule
What Is the Honeywell Home Round On/Off T87G2014-E?
The Honeywell Home Round On/Off T87G2014-E is an electronic on/off room thermostat designed to control heating systems in residential and light commercial environments. It belongs to the well-known Honeywell Round series and is intended for users who want a straightforward, reliable and easy-to-use thermostat without complicated settings.
The rotary ring allows quick temperature adjustment. The display normally shows the current room temperature and displays the set temperature during adjustment. Temperature can be adjusted in 0.5°C increments for precise comfort control.
Important Information
Always verify that your boiler, district heating system or heating controller is compatible with a 24V 2-wire on/off thermostat before purchasing this model.
Always verify that your boiler, district heating system or heating controller is compatible with a 24V 2-wire on/off thermostat before purchasing this model.
When Should You Choose an On/Off Room Thermostat?
An on/off room thermostat is the right choice when your heating system uses a simple switching control method. The thermostat sends a signal to switch the heating system on or off depending on room temperature demand.
- Suitable for 24V 2-wire on/off control systems
- Suitable for boilers that do not require OpenTherm communication
- Commonly used in simple heating installations
- Can be used with various district heating systems depending on system compatibility
- Ideal when you do not require scheduling, Wi-Fi or app control
Simple Rotary Dial Operation
The Honeywell Round On/Off is designed for maximum simplicity. Rotate the adjustment ring to select the desired temperature. No complicated menus or programming functions are required.
This straightforward operation makes the thermostat suitable for virtually any user. The display is easy to read and illuminates during operation, ensuring excellent visibility even in low-light conditions.
Key Features and Specifications
- On/off room thermostat
- Suitable for 24V 2-wire on/off heating systems
- Easy temperature adjustment using the rotary dial
- 0.5°C temperature adjustment increments
- Backlit display
- Displays current room temperature and set temperature
- Temperature setting range from 5°C to 35°C
- Lifetime power pack – no regular battery replacement required
- White round housing
- Wall-mounted installation
- Non-programmable
- No Wi-Fi or app control
Practical Application
This thermostat is ideal for users looking for a simple, reliable and easy-to-read room thermostat for manual temperature control without advanced programming functions.
This thermostat is ideal for users looking for a simple, reliable and easy-to-read room thermostat for manual temperature control without advanced programming functions.
Installation and Connection
The Honeywell Home Round On/Off connects to a compatible 24V two-wire heating control system. The thermostat is designed for on/off heating applications and can be used with compatible boilers and district heating systems, depending on the installation.
In many cases, the thermostat fits existing Honeywell Round mounting plates, making replacement easier. For proper operation, the installation must comply with the thermostat specifications and support on/off control.
Important During Installation
Switch off power to the heating system before installation. Always verify compatibility with the boiler or heating controller and follow the Honeywell Home installation instructions.
Switch off power to the heating system before installation. Always verify compatibility with the boiler or heating controller and follow the Honeywell Home installation instructions.
When Should You Replace a Thermostat?
Replacing a thermostat may be advisable when the existing thermostat no longer responds correctly, the display becomes difficult to read, or when you want a simpler and more modern control solution. When changing or upgrading a heating system, thermostat compatibility should always be checked.
- The existing thermostat no longer operates correctly
- The display is difficult to read or damaged
- You prefer a simple thermostat with rotary dial operation
- Your installation uses a 24V on/off control system
- You do not require scheduling, Wi-Fi or app control
Easy Replacement
The Round On/Off is often compatible with existing Honeywell Round mounting plates.
Direct Control
The rotary ring allows quick and intuitive temperature adjustment.
No Programming Required
Ideal for users who prefer a straightforward thermostat without schedules or app settings.
Quick Advice
Always verify that your installation is suitable for a 24V 2-wire on/off thermostat. If you require OpenTherm modulation, smart controls or programmable schedules, this is not the appropriate thermostat.
Always verify that your installation is suitable for a 24V 2-wire on/off thermostat. If you require OpenTherm modulation, smart controls or programmable schedules, this is not the appropriate thermostat.
Why Choose Honeywell Home?
Honeywell Home is one of the world's most trusted brands in thermostats, heating controls and home comfort solutions. The Round series has earned a reputation for reliability, ease of use and its timeless round design.
With the Honeywell Home Round On/Off T87G2014-E, you get a practical on/off room thermostat designed for users who want straightforward temperature control without programming features, Wi-Fi connectivity or app-based operation.
Order the Honeywell Home Round On/Off T87G2014-E
Suitable for 24V 2-wire on/off heating systems and ideal for users looking for a simple, reliable room thermostat with rotary dial control, a backlit display and a timeless design.
Suitable for 24V 2-wire on/off heating systems and ideal for users looking for a simple, reliable room thermostat with rotary dial control, a backlit display and a timeless design.
Technische specificaties
| Article number | T87G2014-E |
| EAN nummer | 5025121381567 |
| Manual temperature adjustment | Yes |
| Mounting type | Wall Mounted |
| Wireless | No |
| App control | No |
| Temperature accuracy | 0.5 °C |
| Memory retention during power failure | Yes (Settings Are Retained) |
| Display | Backlit Display |
| Display language | Language-Independent Symbols |
| Holiday function | No |
| Operation | Rotary Dial |
| Programmable | No |
| Self learning function | No |
| Temperature range | 5.0 °C - 35 °C |
| Timer function | No |
| Program type | Not Applicable |
| Switching periods | Not Applicable |
| Communication protocol | On/Off (24V) |
| Power supply | Lifetime Power Pack |
| Brand | Honeywell |
| Model | room thermostat |
| Certification | ce |
| Application | Heating |
| Collecties 2 | Controllers and control systems |
| Height | 90 mm |
| Control type | On/Off |
| Width | 90 mm |
| Depth | 28 mm |
| Color | White |
| Supply voltage | 24V |
| Suitable for | Central heating installations 24V On/Off Boilers On/Off heating systems |
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