An integrated system for processing of hot melt adhesives that are formulated for application temperatures of 121°C (250°F) or less, the system comprising - a hot melt adhesive formulated for application at temperatures of 121°C (250°F) or less, wherein the hot melt adhesive is formulated from polymers selected from the group consisting of amorphous polyolefins, ethylene-containing polymers, rubbery block copolymers, and blends thereof, ethylene/vinyl acetate copolymers, isotactic or atactic polypropylene, styrene-butadiene, styrene-isoprene and styrene-ethylene-butylene A-B-A or A-B A-B block copolymers or from a blend of ethylene n-butyl acrylate and ethylene vinyl acetate, - a melt tank with integrated level control and having an interior cavity adapted to receive said adhesive and comprising heating elements that are controlled to reach a maximum operating temperature of 121°C (250°F), - an auto feed device integrally connected to the melt tank and that controls conveyance of the hot melt adhesive into the melt tank, - a high effiency auto dispensing unit, and - means whereby the dispensed molten adhesive is transported for end use application onto a substrate surface, wherein said means for transporting said molten adhesive is a heated hose, - a feed tank for maintaining a supply of said adhesive in its solid form, - a supply passage connected to said feed tank for supplying said adhesive to the interior cavity of said melt tank, - a supply port in communication with the interior cavity of the melt tank and connected to the passage, - a nozzle mounting port including a dispensing orifice which is opened and closed by valve, - a nozzle for dispense molten hot adhesive from the dispensing orifice. - a hot melt adhesive formulated for application at temperatures of 121°C (250°F) or less, wherein the hot melt adhesive is formulated from polymers selected from the group consisting of amorphous polyolefins, ethylene-containing polymers, rubbery block copolymers, and blends thereof, ethylene/vinyl acetate copolymers, isotactic or atactic polypropylene, styrene-butadiene, styrene-isoprene and styrene-ethylene-butylene A-B-A or A-B A-B block copolymers or from a blend of ethylene n-butyl acrylate and ethylene vinyl acetate, - a melt tank with integrated level control and having an interior cavity adapted to receive said adhesive and comprising heating elements that are controlled to reach a maximum operating temperature of 121°C (250°F), - an auto feed device integrally connected to the melt tank and that controls conveyance of the hot melt adhesive into the melt tank, - a high effiency auto dispensing unit, and - means whereby the dispensed molten adhesive is transported for end use application onto a substrate surface, wherein said means for transporting said molten adhesive is a heated hose, - a feed tank for maintaining a supply of said adhesive in its solid form, - a supply passage connected to said feed tank for supplying said adhesive to the interior cavity of said melt tank, - a supply port in communication with the interior cavity of the melt tank and connected to the passage, - a nozzle mounting port including a dispensing orifice which is opened and closed by valve, - a nozzle for dispense molten hot adhesive from the dispensing orifice.