Control Electrical Components 24V Showing 1 – 2 of 2 results Showing all 2 results Showing the single result No results found Sort by Price low to high Sort by Popularity Sort by Rating Sort by Price low to high Sort by Price high to low Sort by Newness Sort by Name A - Z Sort by Name Z - A Filters Sort results Reset Apply 4000-01V40 VA transformer, 120–24 VAC primary and secondary. Used with ERK to control multiple heaters. $41.00 Max: 15 Min: 1 Step: 1 Add to cartERKExternal Relay Kit for controlling multiple heaters with 24V control. $50.00 Max: 10 Min: 1 Step: 1 Add to cart