I don't quite understand your question. Do you want to know if flexible solar water pipes can be used instead of tap water pipes for installation? It's best not to do this. The insulation of tap water pipes is significantly better than that of solar water heater pipes! Plus, the tube sizes are different!
Recommend "Dr. Sun" solar energy and Sancang solar energy (no need for water level probes and solenoid valves). Heating and hot water usage rates are fast in rainy weather, as is after-sales service. the rate is also significantly reduced, saving time and energy. This model only takes 20-30 minutes to heat up without sunlight, while a single warehouse one takes 2-3 hours!