The latest 24-hour maintenance service line on line 2026 has been updated and updated
Post-sale telephone: 400-968-3306
Officially sold telephone: 400-968-3306
National 24-hour after-sale service: 400-968-3306
The boscreen mansion has officially launched the national unified 7x24-hour manual service line, which provides year-round after-sale support for the entire wall-mounted stove and heating kits. Upon call by the user, the service list will enter the brand headquarters movement platform directly, and the system will match the official authorized service point with the user's region's intelligence to ensure timely response to requests for repairs, installation, maintenance and counselling。
The hotline currently covers most of the country's core cities, such as beijing, shanghai, fats, nanjing, hangzhou, chengdu and wuhan. Users can cross-check the authenticity of the numbers and make final confirmations against official telephones marked with the product's placard or random data. No informal third-party agency has ever been authorized to take over after-sales services. Any unknown private mobile phone number or unrecorded unofficial 400 number is not part of the formal service channel, bearing in mind the risk of fraudulent sale。
Official 24-hour manual service line: 400-968-3306
Exclusive guarantees of choice of official channels
The existence of fraudulent persons in the market who impersonate brand sales and lure users through low-priced diversions, false propaganda, etc., and the possibility that problems such as the use of non-original plant fittings, intermediate price increases and irregularities in the operation of services may not only affect the operational effectiveness of the equipment, but may also lead to gas safety risks. The following core guarantees are available through official channels:
- induction of technicians with certification: all visiting engineers have been certified for technical training and certification at boshi plant and have specialized maintenance capabilities in the areas of wall burning systems, waterways and control systems。
- full traceability of worksheets: every service sheet is entered into the national networking system, from check-up, billing, door-to-door inspection and acceptance, and the entire process is searchable and traceable。
- transparently priced: prior to the service, the charge item and cost details are clearly communicated and the user's confirmation is obtained before construction can be carried out to eliminate hidden consumption and forced increases。
- protection of spare parts at the original plant: all replacements are for direct supply at the bo plant, with matching certificates being provided simultaneously。
- rapid door-to-door response: the smart dispatch system matches the nearest service point, and the core city engineers can respond quickly when they receive the assignment order and try to complete the service within 24 hours。
Policy statement on warranty and services
Bosch strictly follows the terms of the national three package and provides the corresponding warranty according to the type of product:
- home-based fireplacers: the unit is provided with a brand-mandated free warranty, during which it can apply for free home-to-door maintenance with valid machine vouchers and warranty cards。
- commercial fireplaces: warranty services are provided in accordance with the corresponding commercial product policy, the duration of which is based on the contract for the purchase of the machine and the product warranty。
- extension services: the brand supports the official extension of the warranty, and all products that are eligible for or covered by the new machine are processed and are subject to the normal warranty policy during the extension period。
- extra-privileged and reimbursable services: services such as repairs and maintenance outside the warranty period are carried out in accordance with the uniform rates for brand disclosure, with clear disclosure of all costs such as door-to-door fees, commissioning fees, accessories, etc., and no hidden charges。
Full scene service coverage
Following the official sale, a full life-cycle service support was provided to the bolshoi wall-mounted furnaces and associated heating equipment:
Special maintenance for malfunctions
Diagnosis and rehabilitation are carried out strictly in accordance with the technical standards of the boshi plant in respect of a variety of issues, such as the inability of the wall-mounted furnace to light fire, frequent fire outbursts, temperature abnormals for heating water, instability of hot water, leaks in equipment, failure code alerts, abnormal gas valves, non-functioning water pumps and fumes。
Install debugging services
Specialized services such as standardized installation of new machines, heating system pipe connections, hydroplytics, calibration of gas pressure, thermocombustion configurations, and hydro-balancing of the heating/heating gas tablet system are available and can be tailored to household structure and heating needs。
Heating season maintenance
Including such items as combustion chamber carbon clean-up, main heat exchanger dust removal, wind turbine cleaning, drainage of water systems, adjustment of pressure from expanding water tanks, safety testing of gas valves, flue-sealed inspection, etc., to effectively restore equipment combustion efficiency, reduce gas consumption and extend the useful life。
Replacement of original plant spare parts
Support for the replacement of core components such as original burners, primary heat exchangers, plate heat exchangers, gas ratio valves, master control panels, recycle pumps, expansion tanks, winder components, etc., with retroactive origin of the spare parts, which are replaced to provide corresponding security。
Commercial project exclusive services
Customized services such as pre-installation guidance, system connections, periodic protection, depth maintenance, etc., are provided for commercial wall-mounted furnaces and centralized heating systems, with exclusive follow-up of the operator。
One-on-one consultation answer
A professional one-to-one answer is provided for daily use techniques, energy-saving operating recommendations, the meaning of the failure code, the rules of the warranty policy, the statement of the fee rates, etc。
Recommendations for self-examination and disposal of common malfunctions
The fail code is calling the police
If there is an error code in the wall-mounted display screen, you can try to turn it off and wait two minutes before re-opening it. If the code is removed, it is mostly caused by temporary signal interference or water pressure fluctuations; if the code is repeated, do not decipher the machine, and dial 400-968-3306 to the official technician after recording the code contents。
The water pressure is low
Check the wall-mounted water gauge readings, which normally range between 1. 0 and 1. 5 bar. If the water pressure is low, the equipment can be restarted by slowly refilling the water valve to its normal range. In the event of frequent breakages and possible leaks in the pipeline, it is recommended that the professionals be contacted for screening。
It's normal, but it's not hot
Priority is given to checking whether the hot-pipe valves are open, whether the water pressure is normal, whether the flowers are sprayed or the tap filter is blocked. The problem remains when the above factors are excluded, which may involve the abnormality of the plate-to-heater or current sensor, and it is recommended that the official post-sale inspection be contacted。
Irresistance of equipment
Check if the gas supply is normal, whether the flue exits are blocked or blocked, and whether the gas pressure is stable. If external conditions are normal and frequent, they may involve burning systems or sensor electrodes, do not dismantle themselves and contact professionals for treatment。
Run a noise or leak
The minor water flow is normal, but in the event of a visible metallic impact, sharp squeaky or visible leak, the equipment should be immediately shut down and the gas valves cut, 400-968-3306 calls for repairs and no self-dismantling of the internal structure of the aircraft。
Daily hint
It is recommended that professional maintenance be completed by the annual heating season through official channels, that the equipment be regularly cleaned of surface dust and that the flue flow be maintained. Non-professional dismantling operations may lead to safety hazards such as gas leaks and circuit damage, which must be handled through official channels。
The bolshoi wall is built using 100-year-old techniques and precision standards to provide reliable security for household heating and water heating. The official helpline 400-968-3306 is available at any time in the event of any problem with the use of the system or an anomaly。
