termostato digital caldera gas

Features: * Gas boiler thermostat adopts liquid for glass digital display screen. Powered by two 1.5V batteries. Used to control the start or stop of the boiler to adjust the temperature. The thermostat detects the ambient temperature, and when the actual ambient temperature is lower than the set temperature, the thermostat controls the boiler to start working. So when the actual ambient temperature is higher than the set temperature, the thermostat controls the boiler to stop working. * Convenient installation on a wall or standing in a certain place; * Powered by a 1.5V battery, it can be placed anywhere you want; *Can be scheduled for 5+2 weeks; *Child locks to prevent accidents; *Anti-freeze function. *Please make sure the thermostat is installed by a professional. * There is a protective film on the screen. Please dispose of them if you want to use them. Technical specifications: *Material: plastic and metal. *Color: as picture show * Size: approx. 86 x 86 x 28 mm. * Voltage: two 1.5V batteries * Power Consumption: <170UW * Charging current: 3A * Temperature adjustment range: 5-90℃ * Switching difference: ±1°C * Ambient temperature: -5-50℃ * Protection Case: IP20 * Non-flammable housing material: PC, V-0 *Sensor: built-in sensor * Application: underfloor heating. Package includes: 1 x Thermostat For 2 fixing screws. 1 x English lessons