Viessmann Hydraulic connection set - underground Outdoor Unit 10m 7521274
Externally mounted heat pumps when connecting below ground, complete with fittings:
- 4 adaptors
- 2 rubber end collars
- 1 roll of route warning tape
- The flow and return lines are made of polybutene to EN ISO 15876 with a pressure rating of 8 bar at 95c.
- To differentiate between the two pipes one is marked with a stripe
- The thermal insulation is made from longitudinally watertight polyolefin foam, which is connected to the polyethylene (HDPE) outer pipe
- The pipe is fixed directly in the brickwork with expanding mortar or concrete (no other accessories required).
- Supports - VITOCAL-150-A, Vitocal-200-A, Vitocal-222-A
- The flow and return lines can be trimmed