Choosing a reliable shower waste pump kit is essential for compact marine and RV setups. The following selection emphasizes 12V and 24V models with multiple inlet ports, built-in float switches, and easy maintenance. Each product below is tailored to handle intermittent use, prevent backflow, and simplify installation. Use this guide to compare common features and pick the kit that best fits your plumbing layout and discharge needs.
| Product | Brand | Voltage | Flow | Inlets |
|---|---|---|---|---|
| NovelBee 12V 750 GPH Shower Sump Kit | NovelBee | 12V | 750 GPH | Multiple Inlets |
| Amarine Made 12V 750 GPH Shower Kit | Amarine Made | 12V | 750 GPH | Multi-Port Inlet |
| NovelBee 750 GPH Shower Sump Kit (Intermittent) | NovelBee | 12V | 750 GPH | Multiple Inlets |
| DasMarine 12V 750GPH Multi-Port Kit | DasMarine | 12V | 750 GPH | 3/4″ to 1-1/2″ Ports |
| Yesinaly 12V 750GPH All-in-One Kit | Yesinaly | 12V | 750 GPH | Multiple Inlets |
NovelBee 12V 750 GPH Shower Sump Pump Drain Kit System

The NovelBee kit is a compact, all-in-one shower sump solution designed for intermittent use. It operates on 12V DC with a draw of about 3A and delivers up to 750 GPH, making it suitable for small spaces on boats and RVs. The system includes multiple inlet ports to accommodate different piping configurations, enabling flexible installation around tight bilges. A built-in float switch allows automatic activation, reducing the need for manual operation. The kit emphasizes ease of installation and maintenance while providing a reliable discharge path for bathroom waste water.
Key features include a built-in automatic bilge pump, multiple inlet ports for versatile usage, and a 30-minute duty cycle designed for intermittent use. The pump’s 12V operation aligns with typical marine electrical systems, and its 750 GPH flow rate ensures quick clearance of water from shower areas. This model balances simplicity and performance for mid-sized marine setups where space is at a premium.
Amarine Made 12V 750 GPH Shower Sump Kit

Amarine Made offers an all-in-one shower pump system with an integrated float switch and a removable mesh filter for routine cleaning. This model is designed to handle waste water from more than one tapping point and includes a check valve on the outlet to stop backflow. The unit ships with a clear cover for quick inspection and to prevent debris from entering the pump. It is ignition protected, which adds a layer of safety in confined marine spaces. The multi-port inlet configuration aids in connecting several lines, expanding installation options in tighter bilge layouts.
With a 12V DC supply and 750 GPH flow rate, the Amarine Made kit provides a reliable balance of performance and durability. The built-in float switch allows automatic operation, ensuring the shower area remains clear without manual intervention. Its compact footprint and integrated filtration make maintenance straightforward, particularly for vessels that require lower maintenance overhead and robust backflow prevention.
NovelBee 750 GPH Boat Marine Shower Sump Kit (Intermittent)

This NovelBee kit focuses on the 750 GPH flow rate and is designed for intermittent use, making it a solid choice for seasonal or occasional marine showers. It includes a built-in automatic bilge pump with a float switch, enabling hands-free operation. The kit offers multiple inlet ports to adapt to various plumbing configurations, which is critical when retrofitting into legacy boat layouts or compact RVs. The 12V system aligns with standard marine battery circuits, and the comprehensive design supports straightforward installation and maintenance in restricted spaces.
NovelBee 24V 750 GPH Shower Sump Pump Kit

For larger vessels or setups that run on 24V systems, this NovelBee kit delivers 750 GPH with a 24V DC motor. It features multiple inlet ports and an integrated float switch for automatic on/off control, reducing pump wear and preventing overflow. The 24V configuration can offer improved efficiency on longer electrical runs, which is beneficial for boats with extended electrical footprints. The kit is designed to be user-friendly, supporting straightforward installation and routine maintenance while maintaining consistent performance in demanding marine environments.
DasMarine 12V 750GPH Multi-Port Kit

DasMarine’s kit emphasizes a robust design with an internal float switch that automatically turns the system on and off. The outlet includes a check valve to prevent backflow, and the kit provides multiple inlet ports, including 3/4”, 1” and larger options, allowing flexible routing for various shower and sink configurations. It is built for 12V operation and is suitable for boats needing a compact yet capable sump solution. Maintenance is aided by a removable filter and accessible components for cleaning debris that may enter the pump during use.
Yesinaly 12V 750GPH All-in-One Kit

Yesinaly offers a compact all-in-one 12V 750 GPH shower sump with integrated float switch. The kit supports multiple inlet ports, including 3/4″ and 1″ combinations, plus additional larger ports for flexible plumbing routes. An ignition-protected design enhances safety in confined spaces, and the check valve on the outlet reduces the risk of backflow. It’s designed to be user-friendly, with a straightforward installation process and a focus on reliability for marine and RV applications where space is limited and maintenance accessibility is essential.
Buying Guide: Key Purchase Considerations
- Voltage and power: Most marine shower pumps run on 12V DC, with some models available in 24V. Ensure compatibility with your vessel’s electrical system and battery capacity to avoid excessive load or nuisance trips.
- Flow rate and duty cycle: A 750 GPH pump is common for compact spaces. Consider your shower size, piping length, and the frequency of use. For large showers or holding tanks, higher flow or multiple pumps may be needed.
- Multiple inlet ports: More inlet options simplify installation around existing plumbing. They also improve adaptability if you plan to reconfigure compartments or add sinks in the future.
- Float switch and automatic operation: A built-in float switch enables automatic activation, reducing manual intervention and helping prevent overflow in bilges or holding tanks.
- Backflow prevention: A check valve on the outlet is important to stop water from returning and pooling in the bilge or pump housing.
- Filtration and maintenance: Removable filters or strainers simplify cleaning and help extend pump life by preventing debris from clogging the impeller.
- Installation footprint and materials: Look for compact units with corrosion-resistant housings and compatible hose sizes. Ensure the kit includes gaskets, clamps, and suitable fittings for your configuration.
- Safety features: Ignition protection and sealed housings offer additional safety in tight engine rooms or shower compartments where moisture and heat are present.
- Maintenance and service: Availability of replacement parts, float switch replacements, and filter screens can influence long-term performance and downtime.
These considerations help compare kits across brands and models, ensuring the chosen shower waste pump kit delivers reliable discharge, straightforward installation, and durable operation in marine and RV environments.