Features:

1) Designed to accept mains pressure cold water
2) Copper coil heat exchanger can be used as part of a closed or open loop system, providing heating to a main hot water tank
3) Freezing is of minimal concern for SFD series
4) Reliable, efficient, twin-glass solar tubes
5) Superior heat preservation with 50 - 65mm polyurethane tank insulation
6) Outer tank material: stainless steel plate or powder coated color steel sheet
7) Inner tank material:
    a) 0.5mm thick SUS304 food grade stainless steel plate
    b) High purity copper for the heat exchanger coil
8) Frame material: 1.2mm thick all stainless steel
9) Collectors may be connected in series to increase water heating capacity
10) Easy plug-in installation .

Item No.

Specification

Tank's Capacity

Tank and solar tubes' Capacity

Effective collector
area m²

Diameter of outside tank

Qty. of solar tubes

Diameter of solar tube

Length of solar tube

SFD47155818

Ø 470mm

15pcs

Ø 58mm

1.8M

132.3L

172.9L

2.01

SFD47185818

Ø 470mm

18pcs

Ø 58mm

1.8M

148.6L

197.3L

2.45

SFD47205818

Ø 470mm

20pcs

Ø 58mm

1.8M

164.9L

219.0L

2.74

SFD47245818

Ø 470mm

24pcs

Ø 58mm

1.8M

197.5L

262.5L

3.32

SFD47305818

Ø 470mm

30pcs

Ø 58mm

1.8M

246.3L

327.5L

4.18