Grant Low-loss Headers

5 Year guarantee*

Grant Low-loss Headers

Header systems are a cost-effective way of installing multiple heat sources and feeding more than one heating zone which have different temperature requirements.

The system comprises of a small low-loss header, known as a hydraulic switcher, and a distributor manifold. Together these work to combine different heating appliances and to manage several heating zones. 

Features & benefits

  • *5 year guarantee (subject to T&C’s)
  • Two header sizes available depending on the system load (up to 70kW and up to 165kW @ Δ t 20 °C flow and return set up temperature)
  • Designed to be installed with Grant Zone Pump Kits
  • The header is fixed to the wall using a bracket system which come as a pair (quantity required depends on the size of the unit) and allow a variable gap between the wall and header of between 100mm and 150mm.
  • Combines multiple heating appliances and manages more than one heating zone with different temperature requirements
  • Maximises overall efficiency and reduces heating bills



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