Why does a noodle boiler heat slowly?

Please verify the following points and require itemized written supplier responses:（commercial noodle boiler noodle-boiler-slow） Causes include insufficient power, low voltage, low gas pressure, scaled heaters, excessive water or faulty controls. Check energy supply and scale, then inspect heaters before continuing service. Define capacity, accuracy, materials and operating environment before requesting quotes on a uniform basis. Request specification sheets, test reports, certificates, maintenance manuals and spare-part lists. During acceptance, verify appearance, dimensions, functions, safety protection and packaging, and keep test records. Do not compare unit price alone; include customization, freight, spare parts, after-sales support and downtime risk. Keep written records of inquiries, confirmations, FAT, acceptance and warranty commitments.