Hose/Line HVAC: Specifications

Tightening torque for 0-ring fittings
0.31 in. tube 13 Nm (10 ft lb)
0.50 in. tube 22 Nm (16 ft lb)
0.62 in. tube 32 Nm (24 ft lb)
Bolted type 25 Nm (18 ft lb)