Gas can not complete burning in winter,Website:http://www.szfulianda.net,so generally,we can use a silicone heater blankets outside the tank.but gas can not work in higher temperature,so we will install thermostat outside the blanket. Some standard size and specs Size(mm)200x1100mm150x920mm140x880mmVoltage220v220v220vWattage400w200w450wThermostat30-55℃30-55℃30-55℃Notes:If the standard size ...