Interpump H253SS Hot Water Unloader Valve

Interpump H253SS Hot Water Unloader Valve

Interpump H253SS Hot Water Unloader Valve is an automatic stainless steel material, excellent for use on pumps and systems in hot water applications.

it is pressure-operated device which, according to its setting, limits the pump/system pressure by conveying the excess of water to the by-pass. Moreover, when the outlet flow is blocked, this device totally releases the flow – and keeps under pressure the portion of the system following the valve, while it sets the pressure to zero in the portion of the system preceding the valve.

Interpump H253SS Hot Water Unloader Valve Specifications:

  • 3600 psi Max.Pressure
  • 2.11 – 7.22 gpm Max.Flow
  • 140°F Max. Temperature
  • 316 stainless steel
  • 3/8″ BSP-F Inlet
  • 3/8″ BSP-M Outlet
  • 3/8″ BSP-F Bypass x (2)
  • Repair kit : RKI178

Additional Resources

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Interpump H253SS Unloader Parts breakdown

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Interpump H253SS Unloader User manual

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