Range Hercal Cylinders

Hercal is a British Standard 1566 double feed indirect cylinder for use in open vented hot water systems. Hercal is available in CRT version, featuring additional corrosion resistance and a thicker bottom spinning.
"Primary systems: Suitable for fully pumped circulation and sealed primary systems operating at up to 3.5 bar. Gravity circulation units (excluding CRT version) are available on request.
"Reheat time (assuming that the primary flow is maintained at 82°C at a flow rate of approx. 15L/min.): 25 min.
"Insulation: Single thickness of environmentally friendly CFC-free urethane foam lagging as standard. Double thickness of lagging available on request.
"Grades: Available in three grades to suit working heads between 10 and 25m.
"Range of capacities: From 62 to 440 litres.
"Guarantee: 2 years against manufacturing defects (Hercal CRT is covered by 6, 8 or 10-year guarantee against faulty manufacture and corrosion, dependent on grade).