Function 1 (Normally Closed) Piping 4 (Base Mounted) Body Option A (Large Flow Style) Voltage 5 (24VDC) Lead Wire LO (L Plug w/o Connector) Surge Suppressor U (Surge Suppressor w/Light Non-polar) Manual Override D (Push-turn Locking Slotted Style) Port Size Base Mounted w/o Sub-plate Option None Q Q (CE Marked)