If manual ability plus outside pressure is needed, there are some faucets on the market that do so (such as the 'Combo Hand Pump -Lowboy' by Leisure Components or the 'Fump' by J&C Water), we unfortunately do not have any at the moment.
by Camping World – June 11, 2015
The Valterra Rocket Hand Pump delivers high flow action that lasts.
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