Viega 18050 24V 3W Digital Thermostat for Sensing Floor or Room Temperature

Original price was: $118.94.Current price is: $97.68.

17 in stock

SKU: 707467 Category:


The Viega 18050 24V 3W Digital Thermostat is a popular option for controlling floor or room temperature in hydronic heating systems, offering precise control and user-friendly features. Here’s a breakdown of its key details:


  • Regulates floor or room temperature in hydronic heating systems (radiant floor heating, baseboard heating, etc.).
  • Maintains desired temperature through a digital control interface and programmable settings.
  • Operates on 24V power, compatible with typical electrical setups in hydronic systems.

Key Features:

  • Digital LCD display: Provides clear and easy-to-read temperature readings and program settings.
  • Adjustable setback function: Allows for lowering the temperature during specific periods (e.g., nighttime) for energy savings.
  • Multiple control modes: Offers manual setpoint adjustment, automatic control based on pre-programmed schedules, and optional external control through sensor input.
  • Compact design: Fits conveniently in standard wall boxes.
  • On/off switch: Provides complete system control at the thermostat.
  • Up to 4 powerhead control: Can manage multiple heating zones (requires additional equipment).
  • High and low limit protection: Ensures safety by preventing overheating or excessive cooling.
  • Optional floor sensor: Enables accurate temperature sensing directly from the floor surface (available separately).


  • Residential and light commercial hydronic heating systems
  • Floor heating systems (radiant, hydronic)
  • Baseboard heating systems

Things to Consider:

  • System compatibility: Ensure the thermostat’s voltage and control capabilities match your specific hydronic system requirements.
  • Professional installation recommended: While DIY installation is possible, consulting a qualified plumber or HVAC technician is recommended for optimal performance and safety, especially when dealing with electrical connections and hydronic systems.
  • Optional accessories: Consider if you need additional equipment like floor sensors or expansion modules for multi-zone control.

Overall, the Viega 18050 24V 3W Digital Thermostat is a reliable and versatile option for precise temperature control in hydronic heating systems. Its user-friendly interface, programmable features, and compact design make it a popular choice for both homeowners and professionals.

Additional information

Weight 0.53 lbs


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