The iSnatch 49.6830.40 Hey Thermo-Free is a smart wireless thermostat that connects directly to boiler or cooling system cables via its dual HEATING/COOLING function. It operates on Zigbee 3.0 and can be linked to Wi-Fi through the included Zigbee Gateway Hub (code 68.6811.00) for remote control via the HeySmart app on iOS or Android.

The thermostat is fitted with a dry-contact passive relay rated at up to 5A with NO/NC contacts, making it compatible with most heating and cooling thermostats. Installation is on a wall or flush in a type-503 wall box (not included). Voice control is supported through Amazon Alexa and Google Home.

Key Features

• Zigbee 3.0 wireless thermostat with backlit soft-touch panel
• Dual HEATING/COOLING function for direct boiler or cooling system connection
• Wi-Fi connectivity via included Zigbee Gateway Hub (code 68.6811.00)
• Remote control via HeySmart app
• Compatible with Amazon Alexa and Google Home
• Dry-contact passive relay: max 5A, NO/NC contacts
• NTC sensor (10K, 1%) built in
• Wall or flush-mount installation (type-503 box, not included)

Product Benefits

• Battery operation (2×AA) means no mains wiring to the thermostat body — installation is simpler and positioning is more flexible
• The dual HEATING/COOLING mode covers both a gas boiler and a cooling system from a single unit
• Wi-Fi control via the HeySmart app lets you adjust temperature and schedules remotely from a smartphone
• Alexa and Google Home voice control allows hands-free temperature adjustments
• The dry-contact relay ensures compatibility with the majority of existing heating and cooling thermostats

Technical Specifications

• Model: 49.6830.40
• Wireless Protocol: Zigbee 3.0
• Wi-Fi: Via included Zigbee Gateway Hub (code 68.6811.00)
• Power Supply: 2 × AA 1.5V batteries
• Operating Temperature: +5 to +35 °C
• Built-in Sensor: NTC (10K) 1%
• Passive Relay: max 5A
• Contacts: NO/NC
• Colour: White
• Dimensions: 130 × 90 × 29 mm
• Installation: Wall or flush in type-503 box (not included)

Why You'll Love It

• Supplied Zigbee Gateway Hub means no additional hub purchase is needed to get Wi-Fi and app control working
• Soft-touch backlit panel is easy to read and operate in low-light conditions
• Type-503 flush-box compatibility means it can be installed in the same wall recess as a standard wall switch
• HeySmart app ecosystem lets you combine the thermostat with other compatible smart home devices