Product code: L008975
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18 litre robokit extra sealed system kit. In a closed heating system, water cannot be compressed so an increase in volume created by an increase in temperature must be accommodated by an expansion vessel.
The Robokit Extra consists of an expansion vessel with a sealed system kit which contains;
- Expansion vessel
- Wall mounting bracket
- Quattro 4 way connector
- Safety relief valve complete with pressure gauge
- Filling loop