Attachment_D-2_-_Heater_Pictures.pdf

The document is a product brochure for the Freez-Fiter Pilot Regulator Heater, designed to prevent freeze-ups in various industrial gas regulation equipment. The brochure details the Freez-Fiter Pilot Regulator Heater Models 1800 and 4000, which are compatible with pilot-operated regulators from manufacturers including Grove Flexflow, American Axial Flow, Fisher 399 and 310, Mooney, and Sprague. The heater can also be used with instrument regulators and chromatographs, with an optional preheat fuel tube feature.

The brochure includes technical diagrams showing dual coil and sample installations, highlighting the heater's versatility in preventing freezing in gas regulation systems. The product is marketed as a solution to freeze-ups in industrial settings, with detailed schematics demonstrating how the heater can be integrated into existing gas regulation infrastructure. The images provide technical details of the heater's construction, mounting options, and connection points for fuel gas and other utility connections.