Calorifiers and Heat Exchangers by GMSRiverside Works • Egmont Street • Mossley • OL5 9NE
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Technical Documentation
Electric Flow Heaters O&M Manual
Electric Flow Heaters Drawing Section

Information Windows
Information Pages
Information Pages
Information Pages
Information Pages


Electric Flow Heaters
Ancillary items and Options

  • Pressure Relief Valve: Needed for all unvented calorifiers and where working pressure exceeds 25 m w.g.
  • Anti-Vacuum Valve: Anti-vacuum valves are needed for all copper-lined steel calorifiers. They may also be fitted to copper calorifiers where there is a possibility of partial vacuum.
  • Automatic Air Vent: Normally only needed on unvented systems.
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