Add to Cart Quick view SALE Ruud Ruud P-D406A Digital Polymer Pool/Spa Heater; 399000 BTU, Liquid Propane, #57 Burner, Copper Tubing $4,299.99 $3,899.95 Ruud P-D406A Digital Polymer Pool/Spa Heater; 399000 BTU, Liquid Propane, #57 Burner, Copper Tubing Product Features PolyTuf Textured Powder Coating - The Ruud gas heater has a polyester-coated, non-corrosive cabinet that is more durable than... Add to Cart Add to Wishlist