Rule Shower Drain Box with 800 GPH Pump – 12V – 98B

Ensure efficient gray water management on your boat with the Rule 98B Shower Drain Box, equipped with a reliable 800 GPH, 12V pump. Designed to handle water from showers, sinks, and air conditioning condensate, this compact drain system automatically collects and pumps wastewater overboard, preventing backups, standing water, and odors.

The Rule 98B features a built-in automatic float switch for hands-free operation, activating the pump whenever water enters the box. Its durable, corrosion-resistant housing includes a clear inspection lid for quick visual checks and easy maintenance. With multiple inlet ports and a compact footprint, it installs easily in tight bilge spaces or under decks.

Trusted by boaters worldwide, the Rule 98B provides dependable, quiet performance and long-lasting durability—making it an ideal solution for managing gray water on small to mid-sized vessels.

Key Features:

• 800 GPH Pump Capacity: Efficient gray water removal for showers, sinks, and AC drains

• Automatic Float Switch: Activates pump as water enters the box—no manual switching

• 12V Operation: Compatible with most marine electrical systems

• Durable Drain Box: Impact-resistant enclosure with clear top for easy inspection

• Compact & Quiet: Designed to fit tight spaces and deliver smooth, low-noise operation

• Multiple Inlet Ports: Supports flexible plumbing configurations

• Low Power Draw: Reliable, long-life motor built for marine use

• Model 98B: Backed by Rule Marine’s trusted performance

The Rule 98B Shower Drain Box with 800 GPH Pump is the perfect solution for maintaining a clean, efficient gray water system on your boat.