Armstrong Fluid Technology 805189-621K Flange Set Els PW 17895 The DDP-109-204 features a common
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Armstrong Fluid Technology 805189 621K Flange Set Els PW 17895 The DDP 109 204 features a common The DDP 109 204 features a common high pressure port (H) and two individual low pressure ports (L) it is the direct replacement for various 3 ton units under the Heil Quaker