South Western Model Company’s F Unit roof top coils “Smooth Pilot with Separate Snap-On Coupler Door Cover” has been added to your cart. View cart $6.00 South Western Model Company's F Unit roof top coils quantity Add to cart SKU: DHRTC Category: Plastic Parts Related products Exhaust Stacks (4) and Steam Generator Vents (early) $7.00 $7.00 Add to cart FP Conversion Parts Set $10.00 Add to cart Side Panel (Pair of 5 Differing Sets) $8.00 Add to cart Fan cluster with center buttons $8.00 Add to cart