Description

Sun-Mar Compact Self-Contained Composting Toilet — Low Profile, Space-Saving Bio-Drum Design

Product Description

Big performance in a smaller footprint. The Sun-Mar Compact is an elegantly designed, low-profile self-contained composting toilet built for installations where space is at a premium — without compromising on quality or function. To achieve its reduced height, Sun-Mar engineers developed and patented a new variable-diameter Bio-Drum™ that is narrower at the front and wider at the rear, allowing the unit to sit closer to the floor while maintaining the composting capacity and reliability that Sun-Mar is known for. Like all Sun-Mar composting toilets, the Compact includes a built-in heating element for liquid evaporation and a fan for completely odorless operation. If your bathroom is tight but your standards aren't, the Compact is your answer.

• Patented Variable-Diameter Bio-Drum™ — Engineered specifically for the Compact, this uniquely shaped drum is smaller at the front and larger at the rear, enabling a low-profile form factor while preserving effective composting performance.
• Low-Profile Design for Tight Spaces — At just 28½" tall, the Compact fits where standard composting toilets cannot. Ideal for bathrooms, cabins, cottages, and any installation where vertical clearance is limited.
• Built-In Heating Element — A thermostat-controlled 200W heater assists with liquid evaporation, keeping the composting chamber in optimal condition and preventing moisture buildup.
• Fan-Assisted Odorless Operation — A 35W fan creates continuous negative airflow through the composting chamber and out the vent pipe, ensuring the bathroom remains completely odor-free during use.
• Residential and Seasonal Capacity — Designed for 1 adult or families of 2 for continuous residential use, and up to 3 adults or families of 4 for seasonal or vacation use.
• Versatile Installation — Suitable for cabins, cottages, homes, yurts, pool houses, cabanas, bunkies, camps, treehouses, and workshops.
• 3-Year Parts Warranty — All Sun-Mar composting toilets come with a 3-year warranty on parts.

Specifications

What's In The Box?

Not available on page — please provide. (Sun-Mar maintains a dedicated "What's in the Box" page; content was not accessible in the retrieved version. Please confirm included items directly with Sun-Mar or via their support page.)

FAQs

Q: What makes the Compact different from the Excel? A: The Compact is specifically designed for tighter spaces. It features a patented variable-diameter Bio-Drum™ — narrower at the front, wider at the rear — that allows the unit to sit at a significantly lower height (28½") than the Excel (33¼"). It also has a slightly lower capacity, making it best suited for smaller households or seasonal use.

Q: Does the Compact require electricity to operate? A: Yes. Electricity must be connected while the unit is in use. The fan draws 35W continuously, and the thermostat-controlled heater draws up to 200W when active, with an average draw of approximately 125W.

Q: How does the Compact control odors? A: The built-in 35W fan maintains continuous negative airflow through the composting chamber, drawing air out through the 2" vent pipe. When properly vented per the owner's manual guidelines, the unit operates completely odor-free.

Q: What types of installations is the Compact suitable for? A: The Compact is designed for any space where a standard-height toilet doesn't fit. Suitable installations include cabins, cottages, homes, yurts, pool houses, cabanas, bunkies, camps, treehouses, and workshops.

Q: Does the Compact need a drain connection? A: A drain (¾" OD) is recommended for residential applications. Sun-Mar advises following the installation guidelines in the owner's manual for proper drain setup.

Q: What is the warranty on the Compact? A: All Sun-Mar composting toilets come with a 3-year warranty on parts.