💧 Water Pressure Calculator

Calculate the right water pump PSI for your van's plumbing system.

📏 Height from pump to highest fixture (feet):

📏 Total pipe length (feet):

🚿 Number of fixtures that might run simultaneously:

📊 Gravity head pressure: -

📏 Friction loss: -

⚡ Minimum pump pressure needed: -

🔧 Recommended pump: -

20-30 PSI: Basic pump for sink only, low flow

30-40 PSI: Standard pump for most van builds (recommended)

40-55 PSI: High pressure for shower + kitchen simultaneously

Popular pumps: Seaflo 33 (3 GPM, 45 PSI), Shurflo 4008 (3 GPM, 40 PSI)

$39 $49

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