New Marathon Replacement Explosion Proof Motor, 1725 RPM, Thermally Protected, 1-Phase, 115-230 VAC, 1 HP, Explosion Proof, PN- 1TUK8 Applications: Harsh industrial environments requiring protection against corrosion, that contain hazardous gas and vapor, dust fibers, filings or other material that may have explosive properties. This replacement motor is Brand New and comes with manufacture warranty. Hardware to install/attach this motor to the vacuum pump is available on this website.