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Fluidmaster Bottom-Entry Brass Shank Fill Valve ½" (47792)

Brass shanks. Height adjustable from 9 to 14". Works well with high or low pressure. Durable materials stand up to millions of flushes.

  • Simple to Install without Special Tools
  • Fast Refill with Absolute Shut-Off
  • Easy to Access & Simple to Change
  • Compact Efficient Design, Fits Today's 6-Litre Cisterns
  • Anti-Siphon / Backflow Design Prevents Contamination
  • Also Available with a European 3/8" Shank
  • Easy to Access & Simple to Change
  • Compact Efficient Design, Fits Today's 6-Litre Cisterns
  • Anti-Siphon / Backflow Design Prevents Contamination
  • Also Available with a European 3/8" Shank

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Fluidmaster Bottom-Entry Brass Shank Fill Valve ½" is rated 4.8 out of 5 by 185.
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Rated 5 out of 5 by from Very good product This is the king of fill valves, if you want it to work first time and last longer than the toilet then get one of these. Only issue can be on some cisterns the feed hole is too close to the side or in the corner so the float can catch on the side and prevent it shutting off. In this case Screwfix also do a cheaper brass shanked fill valve made by Flomasta with a shielded float, the shank on the flomasta is short though so some wiggle room needed on the feed pipe.
Date published: 2017-05-15
Rated 5 out of 5 by from Very Good DIYer but fiddled with loads of other types over the years on mucky existing cisterns and always been troublesome and often resorted to sealant to stop a drip. This one went straight in no sealant and no drips. Fills very quickly and quietly, the negative reviews that said took ages to fill must have been faulty or they hadn’t opened a valve properly or something.
Date published: 2017-05-10
Rated 3 out of 5 by from Slow to fill One of the other reviewers was right, the filling rate seems to be very slow, as he said about 6 minutes to fill the cistern with pressure from a roof tank. Otherwise it seems to be fine - brass shank much better than plastic, the reason i bought this was that the existing plastic shanked one got cross-threaded when I tried to refit it.
Date published: 2017-05-04
Rated 5 out of 5 by from Far better than the original Purchased this at the brand new Wishaw store very impressed to have a screwfix local now, The fluid master brass shank valve was excellent value and easy to fit a 10 min job and the brass shank helps less of the cross threading you get with the plastic.
Date published: 2017-04-22
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What is the total length of the brass shank?

Asked by: LeftyPete
The total length of the brass shank = 40mm
Answered by: Fluidmaster
Date published: 2017-04-04

How wide and deep is this at its widest/deepest point?

My inlet valve now has a ball float on an arm ; this float is well clear of the siphon . If this "float" is deeper than 50mm. it will not fit alongside the siphon.
Asked by: salesiano

what is the most likely cause of a leak?

Asked by: itsonlyayearold
This depends where the leak is situated; is there water entering the WC pan, or is there water leaking out of the cistern? It may be worth contacting the Fluidmaster UK support team for a more detailed diagnosis explanation, +44(0)1432 357331.
Answered by: Fluidmaster
Date published: 2017-01-27

How do you refit the lock mac dee siphon

Asked by: Chuckl
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Specification
Brand Fluidmaster
Compatibility Bottom-Entry Cistern ½"
Construction Material (Plumbing) Plastic & Brass
Manufacturer Guarantee 1 Year Guarantee
Pack Size 1
Pieces in Pack/Case 1
Pressure Suitability Suitable for High & Low Pressure Systems
Product Depth 70 mm
Product Height 9-14 "
Product Type Brass Shank Fill Valve
Product Width 90 mm
Thread Size ½ "
Toilet Fitting Type Fill & Flush Valves

Product contents

Bottom inlet fill valve and fittings.