TKX-FS-3500E Please log in to see price or purchase this item Quantity discounts available QuantityPrice SKU: TKX-FS-3500E MANUFACTURER: Takex Product Details 33' Ultraviolet Flame Sensor, Ceiling mount, "Snap in Base", Battery 3V or External Power 10 - 30VDC, Relay Output N/O - N/C ... Product Details Back Product Details33' Ultraviolet Flame Sensor, Ceiling mount, "Snap in Base", Battery 3V or External Power 10 - 30VDC, Relay Output N/O - N/C Pre-recorded Voice Message Output - Select one of (5) Languages for Message