... sus304-2B3) Coil material: copper4) Water capacity: 100L, 150L, 200L, 240L, 300L5) Pressure: 0. 6mpa6) Heat preservation: 72h7) Hail resistance: 25mm8 ... : 14, 16, 18, 20, 24, 30, or 36 Heat Pipes with 58mm-1800mm or47mm-1500mmPayment terms:1. After sales ... paid against Irrevocable and confirmed L/C at sight. hot sale: solar water heater and deal hot water project with competitive price and fine quality. ...