Manifold Box


  • Manifold with optional function for hydraulic separation easily set with a screw
  • Manual air-venting which allows 90/180/270/360⁰ mounting of the unit
  • Installation of temperature sensor in connection for air vent valve possible
  • Two incoming ports for supply where 1 is plugged to avoid unnecessary piping
  • Clean appearance

ESBE Manifold Box GMB600 consist of a sheet metal box and a pre-assembled three circuit distribution manifold. The manifold is designed with a thermal separation between flow and return line and with integrated hydralic separation, and the bypass fuction is easily controled with an adjustment screw. The manifold has a high class insulation shell according to EnEV2014.

Product range

Manifold Box Series GMB600

More dimensions - see data sheet
GMB600_A_Side.png Reference Connections to system Connections from heat source Connections Air vent valves No. of circulation units with hydraulic separator Weight [kg]
66000700 GMB631 G 1" G 1" G ⅜" 2–3 Yes 15,5
Installation support



Installation examples

see data sheet


Technical data

Technical data

Pressure class: PN 6
Working pressure: 0,6 MPa
Standard outlet spacing: 90 mm
Flow rate: see data sheet
Output: 70 kW at △t 20K
Insulation: EPP λ 0,036 W/mK
Media, Heating water: in accordance with VDI2035
Media, Water/Glycol mixtures: max. 50 % (above 20% admixture, the pump data must be checked)
Media temperature, max.: +95 °C
Media temperature, min.: 0 °C
Material, in contact with water Components: Black coated steel S235
Box: White coloured sheet metal, RAL 9010


PED 2014/68/EU, article 4.3 /
SI 2016 No. 1105 (UK)
Accessories and spare parts


Art No. Reference Designation Note
66100600 66100600 GOP810 ESBE GOP810 Ball valves incl thermometer DN20-G1", 2 pcs/package without check valves
66100700 66100700 GOP820 ESBE GOP820 Cover strip for Manifold Box
Download area

Download area

Type Preview Download
Data sheet GMB600 download
Installation instruction GMB600 download
Certificate Declaration of Conformity, GMB600 download
Certificate Declaration of Conformity UKCA, GMB600 download
Certificate Building Product Declaration BPD3, GMB600 download
Image GMB631, high res download
Image GMB631 - open, high res download
2D Image GMB631 download
3D drawing (stp file) GMB631 download


Gas boiler with ESBE Manifold Box for applications were multiple circuits is used. The ESBE Manifold Box is recommended to distribute the heating supply in to the different circuits via individual ESBE circulation units.