Click to expand Tap to zoom Simplex 4098-9791 Detector Base Supervised 4-Wire w/Relay Driver SKU SP-F1D2-4788 Save Liquid error (snippets/product-badge line 32): Computation results in '-Infinity'% $43.99 | / Availability: Out of stock call for lead time 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Data Sheet