does the threaded inlet take an olive & nut to connect to inlet pipe

No it’s just a straight thread for nut Regards

Does it come with the ball ?

Just to clarify this listing is not for one that comes with a float ball, but other listings do.

What is the purpose of the red attachment on the arm?

Good question and ignore that previous writers answers as incorrect. We have been fitting and selling these valves for years Opella Flomasta et al... These valves are for HIGH and LOW pressure systems. They are factory defaulted with the HIGH Presure valve (a white one) the RED is for LOW pressure. So if your water feed is fed via a combi or mains and not from a tank in the loft all is fine, leave alone. If your water pressure is LOW i.e fed from a tank in the loft,, then unscrew the blue nut which houses the valve and rubber sealing ring, Change the white for the red. As you will see the hole is larger on the red than the white. Regards Quality Imports Birmingham Plumbing Repairs (Jack the Plumber)

does this come with high pressure and low pressure fittings (the red and white cone shaped things)?

I really do not know. It is connected to a feed off the mains (west London) which has pressure varying from 1 to 3 bar. Hope this helps. Sorry about the delay in replying.

W C Fill Valve Bottom Entry | Desertcart Czech Republic

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Description

🚽 Upgrade Your Flush Game!

DURABLE DESIGN - Crafted from high-quality plastic for long-lasting reliability.
COMPLETE PACKAGE - Includes all necessary components for a hassle-free installation.
CUSTOMIZABLE FIT - Adjustable lever arm ensures a perfect fit for your unique setup.
HYGIENIC ASSURANCE - Anti-siphon technology keeps your water supply fresh and clean.
EFFORTLESS INSTALLATION - Transform your toilet's performance with a simple DIY upgrade.

The Fluidmaster B704A W.C. Fill Valve is a top-tier solution for toilet maintenance, featuring an 8.5" fill valve, adjustable lever arm, and an anti-siphon design to ensure a clean water supply. Weighing only 166 g and made from durable plastic, this fill valve is easy to install and comes with all necessary components.

Specifications

Manufacturer	Fluidmaster
Part Number	Not Applicable
Product Dimensions	13.5 x 5 x 36.7 cm; 166 g
Item model number	B704A
Colour	One Color
Material	Plastic
Item Package Quantity	1
Number of Pieces	1
Included Components	Fill Valve, washer, spigot nut and instructions
Batteries included?	No
Batteries Required?	No
Item Weight	166 g

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– W.C. Fill Valve Bottom Entry

Description

Specifications

Common Questions