How this node works
From the manifold (flow and return) the serpentine circuits start, with a tighter pitch in the cold perimeter zones. The bends have a minimum radius so as not to pinch the pipe; vents and valves regulate and balance.
Key points
- Manifold (flow/return)
- Serpentine circuit
- Pipe pitch
- Minimum-radius bends
- Vents and valves
Conceptual, language-neutral drawing for study and orientation — not an execution drawing. Dimensions and verifications belong to the designer.