Before every new camper I add the additional valve at the discharge tube. That way it takes 2 valves to let 'er go. Hose is connected then the outside valve opened. If a problem with other valves stuck open I'll know it and no mess. Around $20 - $25 at CW.
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2022.Montana 3855 BR
2019 F350 6.7 4X4 DRW
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