Fill
S2-3760-OF-EU-K1: No drainback system
S2-3760-OFD-K1: With drainback system
2 Fills
S2-3760-OF-EU-K2: No drainback system
S2-3760-OFD-K2: With drainback system
S2-360-OFD-BPP-K2: With drainback system
Fill & VR1b
S2-3760-OF-EU-K11: No drainback system
S2-3760-OFD-K11: With drainback system
2 Fills & VR1b
S2-3760-OF-EU-K21: No drainback system
S2-3760-OFD-K21: With drainback system
