Yantai boiler can be long-term power, especially in winter, if you have filled with water inside the boiler or heating Yantai, you must set the boiler antifreeze, prepare adequate electricity and gas, in order to avoid Yantai radiator and boiler pumps, heat exchangers, etc. parts were frozen, various brands of heating boiler with Yantai has antifreeze function, specific methods of operation, please refer to the manual. Note: After setting the antifreeze function, we must ensure that the family of water, electricity, gas and smooth enough. To prevent the event, but also regularly check the water pressure and boiler inspection Yantai work after setting the antifreeze, sure. Start frost and freezing temperatures shut down all manufacturers standards vary. Welcome to view our website: http: //www.fyzzhj.com