HydroFixx cascade from 8.6 m³/h up to 14.3 m³/h

from 150 kW up to 250 kW at ∆T 15 K


Chamber size: 120/120 and 160/160
Heating water throughput rate: 8.6 m³/h up to 14.3 m³/h
Output at ∆T 15 K: 150 kW up to 250 kW
Nozzle clearance: variable
Product description

Combined flow and return manifold with chambers arranged adjacent to each other,
separated by sinusoidal partition wall, with directly incorporated,
flat, horizontally welded-on low loss header for use on the primary
side directly beneath the heating boilers. Consisting of square profiles S235,
wall thickness 4 mm with two lateral nozzles for the connection of the
secondary heating circuits. The HydroFixx cascade is pressure-tested and primed
at the factory. Operating pressure max. 6 bar. Operating temperature max. 110°C.

  • Standard ½“ coupling sleeves for emptying and sensor.
  • The heating boilers are connected by means of 90° pipe bends directed to the rear such that all boiler models and sizes can be installed.

Special design

  • Angular design
  • U-shaped design
  • with flanged joint

Wall bracket

Soundproof and zinc-plated, consisting of wall panel for screw fastening and bracket.


Thermal insulation

Thermal insulation in compliance with EnEV 2014 consisting of two half shells each with end pieces and cutouts for all nozzles.

  • 40 mm PUR foam in coarse grain aluminium casing

Identification plate

Made of galvanized sheet steel with transparent cover for three-line label for screw fixing
to the thermal insulation. Size: 100 x 50 mm, colours: Red for flow line / blue for return line


Mounting frame

For free installation of wall-mounted condensing boilers,
matching the cascade unit.

2 heating boilers on each side
3 heating boilers on each side
4 heating boilers on each side


Technical data
Heating water throughput rate
Output at
ΔT 15 K
Manifold chamber
ConnectionHeating boiler
[m³/h] [kW] [Width / Height]    
8.6 m³/h, 2"-AG 150 120/120 Left-hand connection 2 or 3
 8.6 m³/h, 2"-AG     Right-hand connection 2 or 3
14.3 m³/h, DN 65 / PN 6 250 160/160 Left-hand connection 2 or 3
14.3 m³/h, DN 65 / PN 6     Right-hand connection 2 or 3

Technical information

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We will be pleased to offer advice and answer any questions concerning our product range.

Just write us a message or contact us by phone:
+49 2557 / 93 93-0.

We are available from Monday to Thursday from 07.30 a.m. to 04.30 p.m. and Friday from 07.30 a.m. to 15.00.