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  1. Question about thermal relief valve/unloader valve

    Pressure Washer Forum
    I bought a Craftsman vertical PW with a "bad" pump on Marketplace. The motor would start fine but stall when taken off choke. I removed the unloader valve and with it out, the motor would run fine when taking the choke off. Suspecting something locked up, I disassembled the pump and found a...
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