The EcoFlush™ Single Function FlushOmeter Tank System, Model B8104, is a pressure-assisted flushing system designed for toilets, offering a highly efficient and water-saving solution for both liquid and solid waste disposal. This system utilizes 1.1 gallons (4 liters) of water per flush, placing it in the High Efficiency Toilet (HET) category. Its design incorporates several unique features that enhance performance, reduce water consumption, and simplify maintenance.

Function Description:

The core of the EcoFlush B8104 system is its ability to harness the pressure of incoming water to create a powerful, air-driven flush. During the filling cycle, incoming water draws additional air into a pressure vessel. As the vessel fills, the air above the water is compressed. Once fully charged, an upper supply valve closes, containing this compressed air. When the toilet is flushed, this compressed air acts as a powerful piston, driving the water from the vessel into the toilet bowl. This pressurized action creates a strong siphon effect, which is crucial for effectively extracting waste from the toilet bowl. The system achieves siphon action in approximately one second, ensuring a quick and efficient flush. It is designed to operate on water line pressures ranging from 20 PSI to 125 PSI, making it versatile for various plumbing environments. The system's design is specifically engineered to work with jetted toilet bowls that are designed to accept pressure-actuated tanks, ensuring optimal performance and cleaning.

Usage Features:

The EcoFlush B8104 offers several benefits that enhance the user experience and contribute to a cleaner, more efficient bathroom. One of its most notable features is its positive bowl extraction, which eliminates the need for double flushing, even for solid waste. This stronger flushing action not only improves drainline carry but also leaves the bowl cleaner after each use. The system contributes to a larger water spot in the bowl, which helps reduce the frequency of cleaning and overall housekeeping efforts.

The design also incorporates a larger trapway, which helps eliminate stoppages, further enhancing the system's reliability. Unlike traditional toilet tanks, EcoFlush-equipped tanks do not experience condensation, thereby eliminating the common problem of "sweating" on the tank exterior. This feature helps prevent water damage to floors and reduces the need for drip trays. The system is also designed to prevent water leakage between flushes, ensuring consistent water savings. Furthermore, the tank enclosure is non-sweating, contributing to a drier and cleaner bathroom environment. The EcoFlush B8104 is rated as one of the quietest pressure-assisted flushing systems available, providing a more pleasant user experience.

For commercial users or in public restroom facilities, the system includes tamper-resistant locking mechanisms for the connector lines of the Flush Control Valve. This feature significantly reduces the risk of unauthorized tampering, which could otherwise lead to water damage or system malfunction. The locking tabs, when in the upward position with the brass insert plugged into the control ports, securely lock the connector lines. A wire tie can be threaded through the holes in the locking tabs and lug, then tightened and trimmed, to provide an additional layer of security.

Maintenance Features:

Maintaining the EcoFlush B8104 system is straightforward, with clear instructions provided for common issues and preventative measures. Before any servicing or component replacement, it is crucial to turn off the water supply and flush the toilet to relieve internal air and water pressure within the vessel. This safety precaution prevents unexpected water discharge or pressure release during maintenance.

The system includes a debris filter screen at the water inlet, which can be easily checked and cleaned to prevent obstructions that might limit water flow. If water flow issues arise, users are instructed to shut off the water supply, flush the toilet, disconnect the supply line, and remove the debris screen from the threaded connector shank. Cleaning any debris from the screen and then reassembling it can resolve many flow-related problems.

The Flush Valve Cartridge (FVC) is a key component, and its proper functioning is essential. Instructions are provided for checking the FVC for air leaks by pouring a small amount of water onto its top surface; visible air bubbles indicate a need for inspection. The FVC can be removed using a specialized tool provided with the system, allowing for inspection of the o-ring and flush valve seat for damage or improper seating. Reinstallation involves carefully positioning the o-ring and rotating the cartridge clockwise to lock it into place.

The manual explicitly warns against using lubricants on any components unless specified, as this can void the warranty and damage the system. Similarly, the use of corrosive disinfectants, bowl liquids, or solid chlorine-based cleaners or deodorants in the toilet tank is strictly prohibited. These chemicals are known to deteriorate plastic parts and will void the manufacturer's warranty. This emphasis on avoiding harsh chemicals is a critical maintenance instruction to ensure the longevity and performance of the EcoFlush system.

For winterizing the unit in seasonal homes or cabins, a specific procedure is outlined, involving turning off the water supply, flushing the system to discharge all water and air, disconnecting supply lines to drain water, and potentially adding antifreeze to the bowl to prevent freezing. This ensures the system remains protected during periods of non-use in cold conditions.

The system is designed for reliability, but if servicing is required, following the provided instructions is recommended. Technical support is available for additional information or assistance.

EcoFlush B8104 - B8104 Flush Control Valve Assembly; EcoFlush Flush Levers; EcoFlush Handle