M1C Limit Valve July 24, 2020 View cart “21155 Pump retrofit bypass kit for G520” has been added to your cart. $120.00 M1C Limit Valve quantity — OR — Add to Cart Category: Parts Description Resources Description The M1C limit valve controls the follow of the compressed air that powers most Herkules paint gun washers. Related products CoAgent (CA01) $59.00 Add to Cart 22GW Trigger Lock Assembly $68.00 Add to Cart 12491 Solvent Filter Assembly $105.00 Add to Cart 54 Brass Nozzle $18.00 Add to Cart