1. When the ultra-low water level is shut down, it is necessary to carry out the furnace test (press the button on the B3 board, it should be able to simulate the lack of water to stop the furnace), or discharge the sewage to check the function of the ultra-low water level shutdown.
2. The safety valve is manually opened once and the reset is rapid.
3. The burner control system and the electric eye should be inspected, and the photocell of the electric eye should be taken out by hand. The furnace should be stopped within 1 s; and the electric eye should be wiped.
4. The valve packing is filled or replaced; eliminate running leaks.
5. The bolts are tightened everywhere, especially the gas pipeline system, if necessary, leak detection.




We, Zhengzhou Fangkuai Boiler Co., Ltd. (Fangkuai), are excited to announce our participation in the Indonesia International Heating Technology Exhibition 2025. We will be showcasing our advanced boiler systems engineered for higher efficiency, lower emissions, and sustainable energy performance. Join us at Booth No. B1-08 from November 5–7, 2025 at the Jakarta Convention Center.
The event brings together EXPO BOILER, EXPO BIOMASS, EXPO PUMPS & VALVES, and EXPO CRANE — creating a comprehensive platform for technology exchange and business collaboration across the industrial heating and energy sectors in Southeast Asia.
At the exhibition, we will present our integrated solutions including biomass boilers, industrial steam systems, and full power plant EPC services. Our products emphasize:
Event Details
Date: November 5–7, 2025
Venue: Jakarta Convention Center, Indonesia
Booth: B1-08
We welcome industry partners, plant owners, EPC clients, and technology scouts to visit our booth and explore collaboration opportunities. Whether you are planning a biomass retrofit, a new power plant EPC project, or seeking high-efficiency boiler equipment, our engineers will be available for technical discussions and project consultations.
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