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The Karcher 4.580-344.0 thermovalve is an OEM replacement thermal relief valve for Karcher pressure washers. It releases hot water when internal temperature rises, discharging at 140°F to prevent pump overheating and potential damage. The part is listed as the thermovalve assembly used on multiple Karcher models and has a recommended replacement interval of every 2 years. Weight is approximately 1.0 lb.
OEM Karcher thermal relief valve, discharges at 140°F, fits select Karcher pressure washer models; recommended replacement every 2 years.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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