The SOP-01 is a 230V NC thermoelectric actuator from Zamel for zone heating valve control. Mounts on M30×1.5 valves. Controlled by 230V signal from LOT-21 or any zone controller. Opens when energised; closes automatically when de-energised (NC). IP54 protection, 4mm max stroke, 70cm cable included, safety cotter pin.

• 🔌 230V AC — NC version (normally closed)
• 🔧 M30×1.5 thread
• 🛡️ IP54
• 📏 4mm max stroke · 🔌 70cm cable included

🔗 LOT-21 Receiver

The LGT-21 is the radio thermostatic head for the Smart Home Zamel EXTA LIFE system, for radiators in hydronic heating systems. Mounts on standard M30×1.5 valve bodies. Wireless temperature control per radiator, no additional wiring. Works standalone (1 temperature) or with EFC-01 + LBW/LPW thermostats for full smart home management. Auto calibration, open window function, silent operation.

• 🔥 Radio thermostatic head — wireless per-radiator control
• 🔧 M30×1.5 thread — European standard
• ⚙️ Auto calibration at first startup
• 🪟 Open window function
• 🔕 Silent operation
• 📱 EXTA LIFE app with EFC-01

🔗 EFC-01 Controller

The LTS-21 White Kit is the plug-and-play thermostat kit for Smart Home Zamel EXTA LIFE. Includes the LBW-21 battery thermostat (single setpoint) and the LOT-21 230V boiler receiver, factory paired and ready to install. Controls any heating device or pump via NO 8A contact. Optional EFC-01 for mobile app control.

• 📦 Complete factory-paired kit — LBW-21 White + LOT-21 White
• 🌡️ Single setpoint — 5–35°C, hysteresis or TPI
• 🔥 NO 8A contact — boiler, pump, heating mat
• 📡 RF 868.5 MHz with signal repeat
• ⬜ White colour

🔗 EFC-01 Controller

The LPW-23 Black is the weekly 230V flush thermostat for Smart Home Zamel EXTA LIFE. Mains-powered version of the LBW-23: weekly schedule with 4 temperatures, 7 independent days, anti-freeze/holiday/party modes, floor protection, thermometer mode. 230V AC, Ø60 mm, no batteries.

• 🗓️ Weekly schedule — 4 temperatures, 7 days
• ❄️ Anti-freeze · 🏖️ Holiday · 🎉 Party
• 🔌 230V AC — no batteries
• 📦 Flush Ø60 mm
• ⬛ Black colour

🔗 EFC-01 Controller  |  LPW-23 Manual (PDF)

The LPW-22 Black is the black version of the daily 230V flush thermostat for Smart Home Zamel EXTA LIFE. Identical features to the white version: daily Hi/Lo cycle, 230V AC, Ø60 mm. Black design.

• 🌡️ Daily Hi/Lo cycle
• 🔌 230V AC — no batteries
• ⬛ Black colour

🔗 EFC-01 Controller

The LPW-22 White is the daily 230V flush thermostat for Smart Home Zamel EXTA LIFE. Day/night Hi/Lo cycle, 5–35°C, 230V AC, Ø60 mm, RF 868.5 MHz, NTC10k + external probe, PIN. No batteries ever.

• 🌡️ Daily Hi/Lo cycle
• 🔌 230V AC — no batteries
• 📦 Flush Ø60 mm
• ⬜ White

🔗 EFC-01 Controller  |  LPW-22 Manual (PDF)

The LPW-21 Black is the black version of the 230V flush thermostat for Smart Home Zamel EXTA LIFE. Identical features to the white version: single setpoint, 230V AC, Ø60 mm, RF 868.5 MHz. Black design for dark-finish interiors.

• 🌡️ Single setpoint — 5–35°C
• 🔌 230V AC — no batteries
• 📦 Flush Ø60 mm
• ⬛ Black colour

🔗 EFC-01 Controller

The LPW-21 White is the simple mains-powered flush thermostat for Smart Home Zamel EXTA LIFE. 230V AC, Ø60 mm flush-mount, single setpoint 5–35°C, bidirectional RF 868.5 MHz, NTC10k + external probe, PIN lock. No batteries ever. Compatible with LOT-21 and LLM-21.

• 🌡️ Single setpoint — 5–35°C, 0.1°C resolution
• 🔌 230V AC — no batteries
• 📦 Flush Ø60 mm
• ⬜ White colour

🔗 EFC-01 Controller  |  LPW-21 Manual (PDF)

The LBW-23 Black is the weekly battery wireless thermostat for Smart Home Zamel EXTA LIFE. Maintains temperature based on a weekly schedule with 4 predefined temperatures. Bidirectional RF 868.5 MHz, 2× AAA batteries, special modes: anti-freeze, holiday, party, floor protection, thermometer mode. Compatible with LOT-21 and LLM-21.

• 🗓️ Weekly schedule — 4 temperatures per day
• ❄️ Anti-freeze · 🏖️ Holiday · 🎉 Party modes
• 🔥 Floor protection mode
• 🔋 2× AAA batteries
• ⬛ Black colour

🔗 EFC-01 Controller

The LBW-22 Black is the black version of the daily battery wireless thermostat for Smart Home Zamel EXTA LIFE. Identical features to the white version: daily Hi/Lo cycle, 5–35°C, RF 868.5 MHz, 2× AAA batteries. Black design for dark-finish interiors.

• 🌡️ Daily cycle — Hi day / Lo night
• 🔋 2× AAA batteries
• ⬛ Black colour

🔗 EFC-01 Controller

The LBW-22 White is the daily battery wireless thermostat for Smart Home Zamel EXTA LIFE. Maintains two temperatures in a daily cycle: day (Hi) and night (Lo), assigned to specific hours. Bidirectional RF 868.5 MHz, 2× AAA batteries, NTC10k + external probe, PIN lock. Compatible with LOT-21 and LLM-21.

• 🌡️ Daily cycle — Hi day / Lo night temperatures
• 📡 Bidirectional RF 868.5 MHz
• 🔋 2× AAA batteries
• ⬜ White colour

🔗 EFC-01 Controller

The LBW-21 Black is the black version of the simple battery wireless thermostat for Smart Home Zamel EXTA LIFE. Identical features to the white version: single setpoint 5–35°C, bidirectional RF 868.5 MHz, 2× AAA batteries, NTC10k sensor + external probe, PIN lock. Black design for dark-finish interiors.

• 🌡️ Single setpoint — 5–35°C, 0.1°C resolution
• 📡 Bidirectional RF 868.5 MHz
• 🔋 2× AAA batteries — no wiring
• ⬛ Black colour

🔗 EFC-01 Controller

The LBW-21 White is the simple battery-powered wireless thermostat for the Smart Home Zamel EXTA LIFE system. It maintains a single setpoint temperature (5–35°C) and communicates via bidirectional RF 868.5 MHz with the LOT-21 boiler receiver or the LLM-21 underfloor heating board. No wiring needed — 2× AAA batteries, wall mount or surface placement. Full control via EXTA LIFE app with EFC-01.

• 🌡️ Single setpoint — 5–35°C, 0.1°C resolution
• 📡 Bidirectional RF 868.5 MHz
• 🔋 2× AAA batteries — no wiring
• 📏 NTC10k sensor + external probe
• 🔒 Key lock simple or PIN
• ⬜ White colour

🔗 EFC-01 Controller

The LOT-21 Black is the black version of the wireless thermostat receiver for the Smart Home Zamel EXTA LIFE system. Identical functionality to the white version: 230V AC mains powered, receives from LBW/LPW thermostats or LLM-21 strips, controls boiler/pump via NO contact. Black design for dark-finish environments.

• 🔌 230V AC — mains powered, NO contact output
• 📡 Bidirectional RF 868.5 MHz — receives from LBW, LPW, LLM-21
• 🌡️ Multi-thermostat — multiple thermostats on same boiler
• ⬛ Black colour — for dark-finish interiors

🔗 EFC-01 Controller

The LOT-21 White is the wireless thermostat receiver for the Smart Home Zamel EXTA LIFE system. Mains-powered at 230V AC, it intelligently analyses commands from LBW, LPW thermostats or LLM-21 strips and controls the boiler, heating mat or pump via its NO output contact — eliminating wiring between thermostat and boiler. Works with multiple thermostats simultaneously. Auto or manual mode. Integrates with EFC-01 for virtual thermostats via mobile app.

• 🔌 230V AC — mains powered, NO contact output for boiler/pump
• 📡 Bidirectional RF 868.5 MHz — receives from LBW, LPW, LLM-21
• 🌡️ Multi-thermostat — multiple thermostats on same boiler
• 🖱️ Auto or manual — dual operating mode
• ⬜ White colour

🔗 EFC-01 Controller

roller.

• 🔥 8 independent zones — multi-zone underfloor heating
• 💡 8 zone LEDs — real-time activation display
• 🌊 Pump and boiler control — programmable startup/shutdown delays
• 📡 RF 868.5 MHz — wireless link with LBW and LPW thermostats
• 📻 External antenna ANT-01 — optional for greater coverage

🔗 EFC-01 Controller  |  LLM-21 Manual (PDF)

The LTS-23 Black Kit is the black version of the weekly thermostat kit for Smart Home Zamel EXTA LIFE. Includes LBW-23 Black + LOT-21 Black, factory paired. Identical features to the white version: weekly schedule, 4 temperatures, anti-freeze/holiday/party, floor protection. Black design.

• 📦 LBW-23 Black + LOT-21 Black — factory paired
• 🗓️ Weekly — 4 temperatures, 7 days
• ⬛ Black colour

🔗 EFC-01 Controller

The LTS-23 White Kit is the weekly thermostat kit for Smart Home Zamel EXTA LIFE. Includes LBW-23 battery weekly thermostat (4 temperatures, 7 days, anti-freeze/holiday/party, floor protection) + LOT-21 230V receiver, factory paired. Ready to install immediately.

• 📦 LBW-23 White + LOT-21 White — factory paired
• 🗓️ Weekly schedule — 4 temperatures, 7 days
• ❄️ Anti-freeze · 🏖️ Holiday · 🎉 Party · 🔥 Floor protection
• ⬜ White colour

🔗 EFC-01 Controller

The LTS-21 Black Kit is the black version of the simple thermostat kit for Smart Home Zamel EXTA LIFE. Includes LBW-21 Black + LOT-21 Black, factory paired. Identical features to the white version: single setpoint, NO 8A contact, RF 868.5 MHz. Black design.

• 📦 LBW-21 Black + LOT-21 Black — factory paired
• 🌡️ Single setpoint 5–35°C
• ⬛ Black colour

🔗 EFC-01 Controller