Home -> Power Supplies Transformer 24 VAC 40 VA Our Price $15.95 Buy item(s) ELK 24 VAC 40VA Transformer for OMNI II, OMNI Pro II or other Controllers. NOT for OMNI LT. Provides 24 VAC 40VA Rated, has center ground terminal which grounds the control board via the ground pin on the 120V plug. Also has green "Power on" indicator and self resetting fused Secondary. Related Items Worth Considering Battery 12V ELK Power Supply Steel Instrument Box Hinged Cover Transformer 16.5 VAC 40 VA Buy item(s)