Click to expand Tap to zoom Firelite | 5621 Detector Heat 135F (57 C) Fixed/ROR Dual Circuit SKU FL-F1D2-5525 Save Liquid error (snippets/product-badge line 32): Computation results in '-Infinity'% $34.99 | / Availability: Only 1 left! 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Data Sheet