The 4000W heating unit is installed in the foundation slab or intermediate floor, and contains a fan and four water/air-exchangers, with valves that are controlled by 1 – 4 external electric room thermostats. It is used together with heating unit box 4000A 100/100 (100 mm (4″) spiral pipes) or with heating unit box 4000A 50/50 (50 mm (2″) plastic pipes).
$39.00 – $629.00Price range: $39.00 through $629.00