Dual Flush Concealed Cistern Toilet

Concealed cistern systems relocate the water tank and mounting frame behind the wall plane, exposing only the ceramic bowl and dual-flush actuator plate. This configuration optimizes floor space in compact layouts, suppresses fill noise through insulated encasings, and eliminates floor obstructions.

Manufactured by HfyBath for brick, stud, and pre-wall installations, each unit integrates a blow-molded high-density polyethylene (HDPE) tank, pre-assembled dual-flush valves, and a powder-coated steel frame rated for a 400 kg static load. Compatible with standard wall-hung ceramic bowls using 180mm or 230mm bolt centers.

Seamless Extrusion Tank: Molded on industrial multi-layer blow-molding lines using virgin HDPE resin, eliminating weld-line weak points and resisting thermal stress expansion.

Acoustic & Thermal Jacket: Encapsulated in full-coverage EPS foam to prevent condensation inside sealed cavities and deaden water-fill sound transmission.

Rigid Load-Bearing Frame: Laser-cut structural steel tubing featuring salt-spray-tested powder coatings and 0–200mm height-adjustable floor anchoring feet.

Front-Access Serviceability: Actuator plate removal provides complete access to fill valves, flush valves, and shut-off stops without breaching wall tiles or drywall.

Wall Framing:
Solid Walls: Direct mortar or mechanical recess fit in masonry or concrete block.

Drywall Systems: Floor-mounted, wall-anchored steel frames secured to vertical metal/timber studs requiring a minimum 125mm cavity depth.

Water Supply: Route the G 1/2" supply line into the designated top clearance zone with an external inline shut-off valve.

Drainage Connection: Join the 90/110mm HDPE outlet bend to the soil stack using supplied rubber lip seals and friction rings. Solvent cement joints inside closed walls are prohibited.

Floor Leveling: Align the frame using its laser-engraved reference mark to establish a standard 430mm–450mm bowl seat height before tightening floor anchors.

Integrity Pressure Test: Fill the tank and pressurize the supply line to 6 bar for 30 minutes prior to wall sheeting or tiling.

Multi-Family Residential: High-rise apartment complexes requiring standardized rough-in modules and space-saving layouts.

Hospitality Projects: Hotels and resorts demanding acoustic insulation and minimalist aesthetics.

Commercial Restrooms: High-traffic corporate offices needing durable, tamper-resistant actuator plates and concealed maintenance access.

Prefabricated Bathroom Pods (PBPs): Steel frame units optimized for rapid bolt-down integration inside factory-built modules.

Actuator Plates: Custom geometric profiles, laser-etched/silk-screened brand logos, and PVD/electroplated finishes (Matte Black, Brushed Nickel, Gunmetal, Polished Chrome).

Dimensional Adjustments: Custom frame heights, ultra-slim tank depths down to 80mm for thin partitions, and specialized water inlet positions.

Performance Tuning: Pre-calibrated restriction settings aligned with regional water efficiency standards like WaterSense.

Private Label Packaging: Custom master cartons, multilingual installation manuals, and laser-marked component traceability codes.

Raw Material Audit: Melt Flow Index (MFI) and density verification on incoming virgin HDPE resin batches. Each tank is laser-etched with a unique batch code and mold cavity number.

100% Underwater Testing: Every assembled tank undergoes a 6-bar pneumatic pressure cycle underwater on the production line to detect micro-defects in weld zones and valve seals.

Endurance Cycle Testing: Fill and flush valves undergo automated pneumatic testing through 200,000 continuous cycles simulating long-term usage.

Structural Load Testing: Frames undergo cyclical static load testing up to 400 kg on anchoring arms to verify structural yield limits.

Corrosion Verification: Steel frames and hardware undergo 48-hour neutral salt spray testing (ASTM B117) for humidity resistance.

Export Packaging: Disassembled or semi-assembled kits packed in reinforced 5-layer corrugated master cartons with molded EPE foam padding.

Container Optimization: Palletized and floor-loaded configurations engineered to maximize 40-foot High Cube (40'HC) container space utilization.

Specifier Support: BIM files, Revit families, 2D/3D CAD submittal drawings, and acoustic test reports available for project design integration.

Commercial Warranty: 10-year structural warranty on tanks and frames, 3-year warranty on internal moving components, guaranteed 15-year spare parts availability, and global product liability insurance coverage.

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