Viessmann Hydraulic connection set - underground Outdoor Unit 20m 7521276

Externally mounted heat pumps when connecting below ground, complete with fittings:

• 4 adaptors
• 2 rubber end collars
• 1 roll of route warning tape

Details:

• 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