i have one of these & the float does not stop it filling, but somehow it stops when it gets to the overflow. Any ideas as to what's wrong? TIA

Sounds like you need to set the float level.

Are there instructions supplied?

Yes, comprehensive instructions supplied. Came with short cable assy and so had to use the original one, wasn't too hard to do.

Does this need to attach to something downstream of it? There's what looks like a place to attach some kind of hose that goes out and into the cistern

Apart from the inlet at the base (threaded brass part) which is fed from the mains pipe there is no other attachment required. The cistern fills from water coming out the top of the unit until the level in the cistern is reached and cut off by the float valve...

Just fitted this and it doesn’t stop filling, i have set the float level but doesn’t shut off the valve, any ideas? Thanks

Lift the float manually, if it shuts off then you’re doing something wrong with the float setting. If it doesn’t shut off when you lift it manually then you have a faulty unit

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🚿 Upgrade your flush game with silent precision and certified durability!

SILENT EFFICIENCY - Hydraulic closure guarantees whisper-quiet filling—no more noisy disruptions.
PRESSURE POWERHOUSE - Operates flawlessly from 0.1 to 10 bar, perfect for any water system.
CERTIFIED RELIABILITY - WRAS approval ensures top-tier safety and compliance for peace of mind.
CUSTOM FIT FLEXIBILITY - Telescopic height adjustment adapts seamlessly to your cistern setup.
PLUG PLAY INSTALLATION - Compact design with included nut, seal, and washer for hassle-free replacement.

The SIAMP 30992110 1/2" BSP 99T Brass Thread Bottom Inlet Valve is a WRAS-approved, brass and plastic valve designed for easy replacement in ceramic or plastic cisterns. Featuring telescopic height adjustment and a quiet hydraulic closure, it operates efficiently across a wide pressure range (0.1 to 10 bar). Compact and reliable, it comes with all necessary fittings and a 10-year guarantee, making it the smart choice for modern plumbing upgrades.

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Manufacturer	SIAMP
Part Number	30992110
Product Dimensions	8.5 x 6 x 33 cm; 249.48 g
Item model number	30992110
Colour	White
Material	Brass, Plastic
Shape	Straight
Item Package Quantity	1
Number of Pieces	1
Maximum Pressure	10 Bars
Measurement System	Metric
Certification	WRAS
Special Features	Adjustable, Easy to Install, Quiet
Included Components	Inlet valve; nut; seal; washer; instruction
Batteries included?	No
Batteries Required?	No
Item Weight	249 g

SIAMP 30992110 1/2" BSP 99T Brass Thread Bottom Inlet Valve - White

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