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The SOLFEX Underfloor heating control pack provides safe temperature controlled mixed water to an Underfloor heating system with a heat output up to 14KW. Designed to be lightweight and compact, in order to connect directly onto a standard manifold, without the need for extra brackets or supports. The Control Pack consists of a temperature mixing valve; an A rated high efficiency Grundfos circulator, return elbow, manifold adapters and all necessary seals. SOLFEX energy systems dedicated Underfloor Heating technical & sales division can provide detailed specifications according to bespoke design requirements.


  • Hot temperature supply range: 60°C - 85°C
  • Adjustable temperature range: 25°C - 60°C
  • Maximum supply pressure: 10 bar
  • Factory pre-set: 45°C
  • Temperature stability: +/-2°C
  • Connections: Mixing valve inlets 3/4" FBSP, Manifold connections 1" MBSP
Control & Mixing Pack Install Guide

Features and benefits

  • High Quality produced product manufactured to BS EN 1264-4, Nickel plated to match stainless steel manifold
  • Compact bolt on unit providing quick and simple installation
  • For Space heating applications up to 14KW
  • Easy set up within the adjustable range of 25°C to 60°C
  • Controls flow temperature to +/- 2°C even with changing boiler flow and return temperatures
  • A rated high efficiency circulator as standard for lower energy use and running cost
  • Blanking cap and pump union can be interchanged so the pack can be reversed
  • No scheduled maintenance


  • Body: Nickle plated brass
  • Seals: Fibre
  • O-rings: Viton
  • Spring: Stainless steel

Pressure Drop Graph