How to control the boiler temperature of steam generator manufacturers? A. The temperature setting knob controls the temperature. B. The limited protection of the boiler water temperature regulator in the boiler controller (the water temperature reaches the set value and automatically shuts down). C. The electronic temperature limit protection of the operating unit in the boiler controller. D. Boiler over temperature protection in boiler controller (water temperature reaches 110 degrees automatic shutdown manual reset) Knee Massage,Leg Knee Massager,Best Knee Massager,Leg And Knee Massager Shenzhen Jie Zhong Lian Investment Co., Ltd. , https://www.meizons.com