Grade Valve & Gasket

Gasket Sold Separately- Part number for Gasket - 99GVG000-1

Link to Picture of Grade Valve- Part Number 99GVP000-1:

 2022 Attwood Catalog (delzer.com)  

New Grade Valve- Took the Place of Part Number 99GVN900-1

• Essential component of Vapor Tec and Secure Stop. 
• When used in conjunction with a fill limit vent valve, allows proper venting when the fuel tank is in unusual angles.
• Prevents liquid fuel reaching the carbon canister and vent system during vessel operation, trailering and storage 
• Integrated impact protection feature
• Compatible with Ethanol blended fuels
• Passes all USCG CFR 33 and ABYC H-24 fire test requirement's.