Function 2 (Normally Open) 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 Z (Light & Surge Suppressor) Manual Override Non-locking Push Style Port Size w/o Sub-plate Thread Rc Bracket None Q Q (CE Marked)