Dometic 304874020 MasterFlush 8740 Macerating RV Toilet – 12V, Elongated Seat, White

Dometic 304874020 MasterFlush 8740 Macerating RV Toilet – 12V, Elongated Seat, White

Dometic®
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304874020
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Description

Upgrade your RV bathroom with the Dometic MasterFlush 8740 Macerating Toilet (Part #304874020). This premium 12-volt macerating RV toilet combines residential comfort with advanced waste-handling performance.

The integrated macerator pump grinds waste and toilet paper before pumping it to the holding tank, allowing for flexible plumbing layouts and more reliable waste evacuation than traditional gravity RV toilets. The dual flush system (normal and low) helps conserve water while maintaining powerful flushing performance.

Featuring a standard-height ceramic bowl, elongated residential seat, and chrome flush handle, this MasterFlush toilet delivers a comfortable and modern bathroom experience in motorhomes and luxury RVs.

Key Features

  • Integrated Macerator Pump – Grinds waste for efficient discharge and fewer clogs
  • Dual Flush Technology – Choose normal or low flush for water efficiency
  • 12 Volt DC Operation – Designed for standard RV electrical systems
  • Premium Ceramic Bowl – Durable, stain-resistant, and easy to clean
  • Elongated Residential Seat – Added comfort compared to standard RV toilets
  • Chrome Handle Flush Control – Sleek residential-style flush handle
  • Standard Height Design – 19-inch seating height for household comfort
  • Flexible Installation Options – Supports through-floor or through-wall discharge

Specifications

Specification Details
Brand Dometic
Part Number 304874020
Series MasterFlush
Model 8740
Type Permanent Macerating RV Toilet
Flush Operation Chrome Handle Flush Control
Flush Options Normal Flush / Low Flush
Voltage 12 Volt DC
Bowl Material Ceramic
Color White
Seat Type Elongated Residential Seat
Height 19 Inches
Width 14-3/4 Inches
Depth 21-1/2 Inches
Hand Sprayer No
Quantity Single Toilet

Why Choose a MasterFlush Macerating Toilet?

Compared to gravity RV toilets, macerating systems offer several advantages:

  • More flexible installation locations
  • Reduced risk of clogs
  • Better waste movement to the holding tank
  • Improved flushing power
  • More residential-style comfort

The MasterFlush series is designed to deliver quiet flushing and efficient waste grinding for reliable RV sanitation performance.

Frequently Asked Questions

What is a macerating RV toilet?

A macerating toilet uses a motor-driven blade system to grind waste and toilet paper before pumping it to the holding tank, allowing waste to travel through smaller plumbing lines.

Does the Dometic 304874020 require electricity?

Yes. The macerator and flush system operate on 12-volt DC power, which is standard in most RV electrical systems.

Does this model include a hand sprayer?

No. The 304874020 model does not include a hand sprayer.

What flush options are available?

This toilet includes two flush settings:

  • Normal flush for solid waste
  • Low flush for liquid waste and water conservation

Is the bowl porcelain or plastic?

The bowl is made from high-quality ceramic, providing durability and easier cleaning than plastic RV toilets.

Warranty
Limited 2 Year Manufacturer Warranty