The gas boiler need to connect to the re-ceiver! Support USB and Battery powered. NO-WIFI Thermostat, don't support to work with phone app! Support USB and Battery powered. K1 and K2 pins connect with your gas boiler.
eBay
Tuya WiFi Smart Power Meter 8-In-1 170-270V 63A Voltage and Current Meter APP Control Smart Life 2P AC Energy Power Voltmeter
Aliexpress UK
Hydraulic, industrial material etc. We promise to try our best to solve any problem.
eBay
TUYA WiFi Smart Power Meter Over Under Voltage Protection Relay Switch Circuit Breaker Energy kWh Temperature Meter Smart Life
Aliexpress UK
Mainly comprises a hydro power generator, a thermal sensor, and a digital LED display. 360°rotatable waterproof led screen for better viewing. It is self powered. High-precision temperature sensor.
eBay
Tuya WiFi 8 in1 Smart Circuit Breaker Power Meter AC 85-290V Smart Switch Energy Meter APP Control with LCD Voltage Protection
Aliexpress UK
The gas boiler need to connect to the re-ceiver! Support USB and Battery powered. NO-WIFI Thermostat, don't support to work with phone app! Support USB and Battery powered. K1 and K2 pins connect with your gas boiler.
eBay
Tuya App Single phase Din rail WIFI Smart Energy Meter Power Consumption kWh Meter wattmeter with Alexa for Smart home
Aliexpress UK
Ista ultego III smart Heat Cost Allocator. Originalista ultego III smart device. Model: ista ultego III smart. Compact, tamper-resistant housing. Electronic heat cost allocator. Device Type: Electronic heat cost allocator.
eBay
Smart Energy Meter 3 Phase Remote Control Smart Electricity Meter APP Monitoring Real Time Data with 3 Current Sensors for Home
Aliexpress UK
Large LCD screen, clear reading, elderly and children can read easily and comfortably. -Show H°C: Below 42°C. -High quality, small size, easy and comfortable to carry.
eBay
Wi-Fi Smart Heat Detector with Tuya App control, Tuya Smart Heat Alarm with Sealed 10-Year Li-Battery, BS 5446-2, VH01W
Aliexpress UK
This model requires 1 to 3 CTs, depending on you electrical system. Spec sheet/instruction manual included. 4"w x 4"h x 2.5"d. All readable and log-able via RS-485 and user friendly PC, Mac and Linux software.
eBay
Tuya WiFi smart Double Energy Meter with Current Transformer Clamp Monitor Power Meter Electric Consumption Meter
Aliexpress UK
Fully compliant with MBUS international standard EN1434-3 and Chinese national standard CJ/T188-2018. USB to M-BUS Slave Module. Load capacity: Supports 20 slave stations. Indicator: Power indicator, transmit indicator, receive indicator.
eBay
KWS-303 8 in1 Power Meter Smart Switch Multifunctional AC Meter Timer Relay Guide Rail Type Metering Switch 85-290V Energy Meter
Aliexpress UK