Alcadrain Alcaplast High & Mid-Level Flush Valve — A03A
The Alcadrain (Alcaplast) A03A is an authentic original equipment manufacturer (OEM) replacement flush valve mechanism engineered specifically for high-level and mid-level plastic flushing cisterns (model A94) and high-rise toilet tank installations. Designed for direct maintenance without replacing the existing base fitting, it operates with a START-STOP flushing action. Constructed from high-strength ABS polymer, it features a telescopic height-adjustment range between 228 mm and 306 mm to match the exact internal height of the cistern and prevent continuous passing into the WC pan.
Identification Guide:
Brand: Alcadrain (formerly Alcaplast) | MPN: A03A | EAN: 8594045934120 | Cistern Compatibility: A94 High- & Mid-Level Plastic Cisterns | Base Supply: Flush valve without a waste | Standard: EN 14055
Key Features
- Original Fit: Manufactured directly by Alcadrain as a drop-in replacement for A94 high- and mid-level plastic cistern installations.
- Height Adjustable: Telescopic column allows optimum vertical adjustment from 228 mm to 306 mm according to cistern height.
- START-STOP Flushing: Designed for high-rise pull/lever mechanisms to initiate and interrupt water discharge as required.
- Durable ABS Material: Built from robust ABS polymer to resist lime accumulation, aggressive water conditions, and physical wear[cite: 6].
- Targeted Maintenance: Replaces the upper valve drop mechanism directly while retaining your existing cistern outlet fitting[cite: 6].
Installation & Fitment Notes
This unit is supplied as a flush valve without a waste[cite: 6]. It is intended for replacement into an existing installed outlet/waste cradle[cite: 6]. The base seal diameter measures Ø70 mm, fitting directly into the existing cistern cradle[cite: 6]. Important: If you need the complete assembly including the Ø60 mm cistern mounting outlet and Ø32 mm downpipe connection cover, please order model A03 instead.



