Item Description
SIAMP — BCM 535 Flush Mechanism — 32 4548 07
Concealed Cistern BCM 535 / Hunting 535 Genuine SIAMP
Genuine SIAMP replacement flush mechanism for the wall-mounted Hunting 535 / BCM 535 concealed cistern. Restores reliable dual-action flushing and sealing performance.
Compatibility: SIAMP BCM 535 (also referred to as Hunting 535) built-in/wall-hung cisterns specified for this mechanism. Match by part code 32 4548 07 (aka 32454807).
Product features
- OEM SIAMP BCM 535 flush mechanism
- Designed for concealed wall-mounted frames
- Service-friendly construction for routine maintenance
- Part / MPN: 32 4548 07 | Alt ref: 32454807 (old ref often quoted as 10010320)
- EAN: 3247230019922
What’s included
- BCM 535 flush mechanism (valve assembly)
Note: The flush plate/actuator and inlet valve are not included and are supplied separately.
Typical reasons to replace
- Worn internal seal causing water to continue to trickle into the pan after a flush
- Sticking or incomplete actuation
- Physical damage or age-related wear
Technical summary
| Brand | SIAMP |
| Cistern family | BCM 535 (a.k.a. Hunting 535) |
| Part / MPN | 32 4548 07 / 32454807 |
| Component | Flush mechanism (valve assembly) |
| FTB code | FTB12826 |
Check before you buy
- Your concealed cistern/frame is the BCM 535 / Hunting 535
- Match the original part code to 32 4548 07 / 32454807
- If symptoms are trickle into pan, also check the inlet valve level and any outlet seals
FAQs
Helpful answers to reduce returns and improve fit-first-time.
Is this the correct mechanism for a “Hunting 535” wall-hung cistern?
Yes — “Hunting 535” is commonly used as the trade name for the SIAMP BCM 535. This is the matching mechanism.
Does it include the flush plate?
No — this is the valve mechanism only. Plates and cable/pneumatic parts are separate items for the 500/535 family.
What’s the official part code?
32 4548 07 (also shown as 32454807). Some trade references also quote the older code 10010320.
My cistern runs after flushing — will this fix it?
Often, yes. A worn internal seal can cause water to continue to trickle into the pan after a flush. Inspect and renew the mechanism and confirm the fill level is set correctly.
Need help figuring out if this product is right for your setup?
Send us your best bathroom selfies (or, you know, just your bathroom setup pics) to [email protected] or WhatsApp 07359 625424 us, and we'll help you flush your confusion away!