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Unloaders
The unloader valve redirects water when you release the trigger, protecting the pump. If pressure is erratic or the pump runs hot in bypass, the unloader is one of the first parts to check.
This collection includes the PressurePro K7 adjustable unloader and ZK1 1/2" unloader, the Mecline VRT3-310EZ, VRT100 green spring and ZH288 blue spring unloaders, Comet VB85RV, VR LW-K and VHP51 unloaders, and the Pulsar 1/2" flow-sensitive unloader.
When choosing a replacement, match the unloader to your pump's flow and pressure rating and to the inlet and outlet sizes on your plumbing. Each listing gives its ratings and connections, and unloader mounting blocks are available in our Hardware collection.
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