Bilge Pump Size & Flow

Marine GPH Hose ABYC Guide

$1.99 · Designed for iPad. Not verified for macOS.

Also Included In

28ft boat, 15ft of 1-inch hose - is a 1,100 GPH pump enough for ABYC H-22? Min GPH with head loss, pump and wire-gauge picks 500-3500 GPH. $1.99 one-time, no login. An undersized bilge pump can sink your boat. Oversized pumps blow fuses and flatten batteries. This app matches pump capacity to your hull size, head loss, and ABYC standards. PUMP SIZING CALCULATOR - Enter boat length, beam, hull type, hose length, and thru-hull count. Calculates minimum GPH, head loss adjustment, effective pump capacity, and recommends the right pump with power draw. PUMP CHART - Compare 500 to 3500 GPH pumps with typical head loss curves, boat length ranges, and amp draw at 12V. HOSE GUIDE - Match hose diameter to pump capacity. Shows max flow rate, head loss per foot, and recommended pump pairing for 3/4 to 2 inch hose. ABYC COMPLIANCE - H-22 standard checklist with minimum pump capacity by boat length, required number of pumps, float switch requirements, and wire gauge reference. Built for marine surveyors, boat builders, and yacht owners. Works offline. No account or login required.

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Added a More Pro Tools section to discover related field calculators.

Version 1.0.2

The developer, Shanghai Sheyuan Network Technology Co., Ltd., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

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    Information

    Seller
    Shanghai Sheyuan Network Technology Co., Ltd.
    Size
    1 MB
    Category
    Utilities
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English
    Age Rating
    4+
    Copyright
    © 2026 Sheyuan Inc.
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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