Description
Introduction
The GEWISS GW12709 is a 2-module connected thermostat featuring integrated humidity measurement, designed for integration within the ChoruSmart modular ecosystem. Operating on standard 100/240 V AC (50/60 Hz) mains power, this device provides temperature and relative humidity control with an integrated NO 5A (AC1) 240 V AC switching contact. Finished in satin black, it combines modern aesthetic design with smart climate management. This device is part of our KNX automation components range.

Given that product data richness for this specific SKU is limited, system integrators and electrical buyers are encouraged to verify exact project requirements and Bill of Quantities (BOQ) specifications against official GEWISS documentation before placing orders. Precise part number verification ensures seamless electrical, mechanical, and network compatibility within smart building automation installations.
Key Features
- Wireless communication protocol: Zigbee
- Dual environmental control: Temperature control and humidity measurement
- Operating voltage rating: 100/240 V AC, 50/60 Hz
- Switching output contact rating: NO 5A (AC1) 240 V AC
- Modular form factor: 2 modules (ChoruSmart series)
- Color and surface finish: Satin Black
Benefits
- Combines temperature control and relative humidity measurement in a single compact device.
- Utilizes standard Zigbee protocol for wireless smart home and building integration.
- Integrated NO 5A (AC1) 240 V AC relay contact for direct HVAC device switching.
- Standard 2-module form factor designed for seamless integration into GEWISS ChoruSmart frames.
- Satin black finish offers a clean, contemporary appearance for premium residential and commercial spaces.
Technical Specifications
Applications
- Residential smart home automation requiring climate and humidity regulation.
- Commercial office spaces and hospitality guest rooms with modular wiring infrastructure.
- Zigbee-based HVAC control and automation retrofits or new installations.
Installation Notes
- Requires connection to a 100/240 V AC 50/60 Hz mains power supply.
- Installs directly into compatible 2-module GEWISS ChoruSmart support frames and enclosures.
- Ensure total switched electrical load does not exceed NO 5A (AC1) at 240 V AC.
- Consult official GEWISS technical manuals to verify wiring schemes and Zigbee pairing sequences.
FAQ
What functions does the GEWISS GW12709 perform?
The GEWISS GW12709 is a 2-module connected thermostat with integrated humidity measurement that communicates via the Zigbee protocol. Explore more GEWISS automation devices for professional building automation projects.
What are the electrical ratings for this thermostat?
It operates on a 100/240 V AC (50/60 Hz) power supply and features a Normally Open (NO) relay contact rated at 5A (AC1) 240 V AC. For certificates and current technical files, refer to the manufacturer technical documentation.
How do I ensure this thermostat matches my installation design?
Due to limited specification details, verify the SKU (GW12709), ChoruSmart module frame fit, and technical documentation prior to procurement to prevent ordering errors.
What is the exact product model?
The order/model code for this page is GW12709. Match it against project documents before purchase.
Who is the manufacturer?
This product is manufactured by GEWISS.
Where can I find the official technical documentation?
Use the manufacturer product page and datasheets for this exact SKU. Always verify the latest revision before specifying the product.
Conclusion
The GEWISS GW12709 offers connected climate control and humidity sensing in a sleek 2-module satin black finish within the ChoruSmart framework. Installers and system integrators can review our KNX dealer program options.
Always consult official manufacturer documentation and review exact project specifications to confirm proper ordering and integration.






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