Finder 13.21.8.230.S000 – 13 Series BLISS – Actuator
Finder 13.21.8.230.S000 wireless remote actuator with 868 MHz radio frequency communication, 110–230 V AC supply and 16 A changeover contact for BLISS2 smart heating, cooling and humidity-control systems.
Why Choose the Finder 13.21.8.230.S000 Wireless Remote Actuator?
The Finder 13.21.8.230.S000 is a compact and reliable 868 MHz radio frequency remote actuator designed for intelligent heating, cooling and humidity control in residential and commercial building automation systems. As part of the Finder 13 Series electronic relays and actuators, it is specifically developed for integration with the Finder BLISS2 smart thermostat, providing wireless switching control for single-zone and multi-zone temperature management.
This remote actuator enables wireless control of heating and cooling equipment through the Finder BLISS2 system and compatible Gateway2. Its long-range radio frequency communication reduces the need for additional control wiring between thermostats and switching equipment, simplifying installation in existing buildings and new automation projects. The actuator can operate heating circuits, cooling equipment, solenoid valves and compatible humidity-control systems.
With a 110–230 V AC supply, a 16 A changeover contact rated at 250 V AC and 868 MHz wireless communication, the Finder 13.21.8.230.S000 provides a practical switching solution for intelligent climate control. Its compact recessed-mounting design allows installation within suitable electrical mounting boxes, making it ideal for smart heating installations and multi-zone building automation systems.
Key Advantages
Compact wireless remote actuator designed for smart heating and cooling control.
868 MHz radio frequency communication for reliable wireless integration.
16 A changeover contact suitable for switching compatible heating and cooling loads.
110–230 V AC supply for integration into building electrical systems.
Compatible with the Finder BLISS2 smart thermostat and Gateway2.
Supports single-zone and multi-zone heating and cooling installations.
Enables humidity-control functions when integrated with the appropriate BLISS2 system.
Reduces the need for additional thermostat-to-actuator wiring.
Compact recessed-mounting format simplifies installation in suitable electrical boxes.
Key Features
Finder 13 Series electronic relay and actuator range.
13.21.8.230.S000 wireless remote actuator.
868 MHz radio frequency transmission.
110–230 V AC operating supply.
16 A rated switching current.
250 V AC rated contact voltage.
1 CO (SPDT) changeover contact.
Rated loads: AC1 3600 VA; AC15 600 VA at 230 V AC; single-phase motor 500 W at 230 V AC.
Supply operating range: 88–253 V AC, 50/60 Hz; consumption 2.8 VA (50 Hz) / 0.8 W.
Ambient temperature: −10 to +50 °C.
Used together with the Finder BLISS2 thermostat and second-generation Gateway2; set up through the Finder app.
Supports heating, cooling and humidity-control applications.
Suitable for individual-zone and multi-zone temperature management.
Configuration and system integration through the Finder smart control ecosystem.
Screw terminal connections for electrical installation.
IP20 protection rating.
Wall-box (flush) mounting, or DIN-rail panel mounting with the Finder 013.17 adapter.
Reliable Wireless Control for Smart Heating and Building Automation
Wireless remote actuators such as the Finder 13.21.8.230.S000 enable electrical heating and cooling equipment to be controlled without requiring a direct wired connection between the room thermostat and the switching device. The actuator receives radio frequency control commands through the compatible Finder Gateway2 system and operates its relay contact according to the configured heating, cooling or humidity-control requirements.
The Finder BLISS2 smart thermostat system is designed for intelligent indoor climate management. When combined with the 13.21.8.230.S000 actuator, it supports distributed switching of boilers, heating-zone valves, cooling circuits and compatible ventilation or dehumidification equipment. Multiple actuators can be associated with a BLISS2 thermostat, allowing individual heating or cooling zones to be managed through a coordinated wireless control system.
Wireless boiler switching and heating demand control.
Underfloor heating zone valve control.
Heating and cooling solenoid valve operation.
Humidity management and dehumidification systems.
Smart building climate control installations.
Retrofit heating systems where additional control wiring is difficult.
Commercial building temperature management.
Finder BLISS2 and Gateway2 automation installations.
Technical Specifications
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Terminal Type
Screw
Switching Current (A)
16 A
Mounting Type
Panel
Manufacturer
Finder
Series
13 Series Electronic Relays and Actuators
Model
13.21.8.230.S000
Product type
Wireless radio frequency remote actuator
Primary application
Heating, cooling and humidity control
Supply voltage
110–230 V AC
Rated switching current
16 A
Rated contact voltage
250 V AC
Contact configuration
1 CO (SPDT)
Number of contacts
1 changeover contact
Wireless communication frequency
868 MHz
Communication technology
Radio frequency (RF)
Compatible thermostat
Finder BLISS2
Compatible gateway
Finder Gateway2
Control functions
Heating, cooling and humidity management
Maximum actuators per BLISS2 thermostat
5
Protection rating
IP20
Operating temperature
-10 to +50 °C
Mounting type
Recessed / flush mounting
Terminal type
Screw terminals
Dimensions (H × W × D)
approx. 43 × 44.1 × 21.9 mm
Frequently Asked Questions
What is the Finder 13.21.8.230.S000 used for?
The Finder 13.21.8.230.S000 is a wireless remote actuator designed to control heating, cooling and humidity-management equipment through the Finder BLISS2 smart thermostat system. It can switch compatible boilers, solenoid valves and other climate-control equipment.
What supply voltage does the Finder 13.21.8.230.S000 require?
The actuator operates from a 110–230 V AC supply and provides a 16 A changeover relay contact rated at 250 V AC for switching compatible electrical loads.
What wireless frequency does this actuator use?
The Finder 13.21.8.230.S000 uses 868 MHz radio frequency communication to integrate with the compatible Finder Gateway2 and BLISS2 smart thermostat system.
Can the Finder 13.21.8.230.S000 control multiple heating zones?
Yes. The actuator supports single-zone and multi-zone heating and cooling systems. Up to five compatible remote actuators can be associated with a single BLISS2 thermostat, allowing different switching functions or heating and cooling zones to be managed within the system.
Do I need a gateway to use the Finder 13.21.8.230.S000?
Yes. Finder states the actuator must be used together with the BLISS2 smart thermostat and the second-generation Gateway2. Setup is carried out through the Finder app. The BLISS2 kit supplies the thermostat and gateway together.
Where is the Finder 13.21.8.230.S000 typically installed?
The actuator is designed for installation in a suitable electrical wall box, or on DIN rail in a panel using the Finder 013.17 adapter, and is commonly used near heating or cooling control equipment, zone valves and other compatible building automation components. It has an IP20 protection rating and must be installed in an appropriate electrical environment.
Wireless Switching for Finder BLISS2 Smart Heating
Finder 13 Series electronic relays and wireless actuators provide practical solutions for modern building automation, intelligent heating control and connected electrical installations. The Finder 13.21.8.230.S000 combines 868 MHz wireless communication, dependable relay switching and BLISS2 smart thermostat compatibility to help electrical installers, heating engineers and building automation professionals create flexible and efficient climate-control systems.
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