GEROtherm® manholeType 4

Fully assembled, customer-specific manholes are manufactured for various structures and customised to your needs. The GEROtherm® manhole is factory-equipped with all necessary shut-off and control fittings and meets the highest quality standards.

Intended for use in floor slabs, parking areas and groundwater.

HakaGerodur AG should be contacted for installation situations with increased requirements for groundwater tightness or statics.

Product details

  • Max. flow 118.4 m3/­­h = SAVE 250 (V˙ max. @ 1m/­­s)
  • From 37 connections
  • Main pipe de 1,600 mm /­­ 1,800 mm /­­ 2,000 mm
  • Probe connections de 32 + 40 + 50 mm
  • +GF+ ball valves 375 made of PVC
  • Control valves brass inline 20–70 l/­­min
  • Plastic hyline control valves 10–25 or 20–60 l/­­min
  • Design with and without filling/­drainage valve and venting
  • Lateral outlet PE pipe
  • Cast lid class A15/­­B125/­­D400 EN 124
  • Structure-specific manufacturing

You can find further product details on the corresponding flyer in the Download area.

Every manhole is fully factory pre-assembled, tested and documented with a corresponding test report.


  • Installed SAVE 97, SAVE 125, SAVE 180, SAVE 250 collector/­distributor incl. connections for geothermal probes
  • Main outlet can be chosen on the left or right
  • The welded probe connections are routed to the outside through the manhole wall and are water pressure-tight
  • Manhole access optionally equipped with an inspection-friendly cover that can be walked or driven on
  • Optimal and horizontal probe connection with laying tank
  • Pressure test 10 bar with collector/­distributor bar in installed condition according to pressure test report
  • Serial number per system for 100% continuous traceability
  • Extra-thick weld seams for increased stability and water pressure tightness
  • Prepared for uplift protection

Price list

(For the price list in € please contact our sales team.)

Installation instructions


Guideline values for the dimensions are summarised in the corresponding document.
Object-specific drawings are created on the basis of the effective configuration.



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