![AAA Triplex Pressure Washer pump spewing water from vent hole in top of pump housing. There are three vent holes in the top of housing. I've researched a lot trying to find AAA Triplex Pressure Washer pump spewing water from vent hole in top of pump housing. There are three vent holes in the top of housing. I've researched a lot trying to find](https://external-preview.redd.it/6EQZjsqmb5k8NalQlpLv2nnEn_VDquPsevVdlVLKK_Y.png?width=640&crop=smart&format=pjpg&auto=webp&s=9eb5c3456cf108e8fc258ec957a6d5701474ab73)
AAA Triplex Pressure Washer pump spewing water from vent hole in top of pump housing. There are three vent holes in the top of housing. I've researched a lot trying to find
![Pressure washer pump was leaking today not sure what this piece is? - Supplies & Equipment - Pressure Washing Resource Pressure washer pump was leaking today not sure what this piece is? - Supplies & Equipment - Pressure Washing Resource](https://pressurewashingresource.com/community/uploads/default/original/3X/c/9/c9d5355d150c6f6515784fe10fb1a931d35bf1b3.jpeg)
Pressure washer pump was leaking today not sure what this piece is? - Supplies & Equipment - Pressure Washing Resource
![STA-BIL Pump Protector - Protects Pressure Washer Pumps and Other Internal Components During Storage, Next Gen Anti-Freeze and Lubricant Formula, 4oz (22007) - Walmart.com STA-BIL Pump Protector - Protects Pressure Washer Pumps and Other Internal Components During Storage, Next Gen Anti-Freeze and Lubricant Formula, 4oz (22007) - Walmart.com](https://i5.walmartimages.com/asr/7f5811e9-7c1e-4bb1-83a8-f92eb4c305f1.910e44400f0c063a5e8815ad2ae29fec.png)