DR-NPSWH uses the non-toxic SUS304-2B stainless steel as the inner tank to ensure the cleanness and strength. Multiple choice for outer tank: color steel, 201 stainless steel and aluminum to satisfy different needs. Overall foaming technology guaranteed a pretty long holding time. Aluminum bracket and zinc sprayed bracket for your choice.
Bracket:
1.5mm thickness, great strength
Wide-legged, much more stable and beautiful
Dual-use on flat and slanting roof
Non-pressurized solar water heater




