Function 1 (Normally Closed) Piping 4 (Base Mounted) Body Option Individual EXH Specifications Standard Voltage 5 (24VDC) Lead Wire LO (L Plug w/o Connector) Cable length None Surge Suppressor U (Surge Suppressor w/Light Non-polar) Manual Override Non-locking Push Style Port Size w/o Sub-plate Thread Rc Bracket None Q Q (CE Marked)