Bubble Blaster the new water blaster pumps can be run internally or externally.  The new pumps are reported to have zero start up issues and come with a 3 year warranty.  The pump will also have the upgraded silicone nitride shaft and bearings. Calcium will not adhere to this material.

Comes with unions in US sizes and barb fittings.

• HY7000W
  88watts  97% efficiency  Max Flow=1800gph  Max Head=12 ft

WB2000 - 3/4" in, 1/2" out
WB3000 - 1" in, 3/4" out
WB5000/7000/10000/ - 1.25" in, 1" out
WB12500/16000 - 1.25" in and out