can this be fitted below sink waste level want to get rid of soil stack in bathroom to give cleaner lines, rather than boxing in and tiling round

I bought mine for external use so I would not have to put the stack pipe up beside & above my new roof dormer, and like the another person, who responded to this question, I can see no reason why it could not be fitted below sink waist level, but It would be best to make sure it's OK if the planed position was going to be below the toilet waste outlet (if that's possible)

Hi will it fit osma pipe or floplast only

Will fit any 110mm soil pipe as they all should be 110mm

Can these valves be installed horizontally or do they have to be vertical?

AX110 valves must be installed vertically

is item up to current building regs

Hi, UK Building Regulations (document H1, section 1.33) states 'Air admittance valves should not be used outside buildings or in dust laden atmospheres', so you will not be complying with the Building Reg's if you fit this as per the manufacturer's recommendations. The reason for the above statement is that debris, and insects or spiders can gain ingress and force open the vent seal, preventing it from functioning, and there is no current testing method for this type of ingress The only acceptable way, according to the Building Regulations, for an air admittance valve to be installed outside a building if it is is housed within an enclosure, preventing said ingress.

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FloPlast External Air Admittance Valve Black

Product ID: 60845128

🕸️Built-in mesh blocks debris & insects

🛡️A1 BS EN 12380 certified

❄️🔥Operates -20°C to +60°C, no insulation needed

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€ 126.83

Duties & taxes included

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Description

🖤 Sleek, smart, and storm-ready – the valve your plumbing deserves

CLEAN PROTECTED - Integrated mesh guard keeps out debris and pesky insects, ensuring long-term efficiency
STORM PROOF DESIGN - Prevents shower traps from drying out even in the windiest conditions, safeguarding your plumbing
CERTIFIED RELIABILITY - A1 approved & kite marked to BS EN 12380 for ultimate peace of mind
ALL WEATHER PERFORMANCE - Engineered to function flawlessly from freezing cold to scorching heat without insulation
DISCREET VENTING SOLUTION - Eliminates bulky soil vent pipes—no more rooftop eyesores or bird perches

The FloPlast External Air Admittance Valve in black is a high-quality PVC valve designed to allow air into sanitary pipework while blocking foul gases. Certified to BS EN 12380 with A1 approval and CE marking, it operates reliably in extreme temperatures (-20°C to +60°C) without insulation. Featuring a protective mesh to prevent debris and insect ingress, it offers a discreet alternative to traditional soil vent pipes, enhancing both function and aesthetics in plumbing systems.

Specifications

ASIN	5666039695
Batteries Required?	No
Batteries included?	No
Best Sellers Rank	124,116 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,053 in Central Heating System Accessories 4,781 in Pumps & Plumbing Equipment
Colour	Black
Customer Reviews	4.5 4.5 out of 5 stars (214)
Date First Available	21 April 2021
Included Components	1 x Air Admittance Valve
Item Package Quantity	1
Item Weight	442 g
Item model number	AX110BL
Manufacturer	FloPlast
Material	PVC
Measurement System	Metric
Number of Pieces	1
Part Number	AX110BL
Product Dimensions	14.79 x 14.79 x 12.1 cm; 442 g

Reviews

P**M

Great price

Bought from Amazon as was better price than else where. High quality product and very easy to fit. We no longer have a 3ft soil vent pipe above the roof line which the birds always used to love perching on and doing their business…which was above a glass conservatory roof below.

25.06.2022

C**N

Very well made

Always had issues with outside open vented soil stacks in house whenever stormy weather would come it would cause shower traps to go dry. Replaced the standard open vent with Air Admittance Valve and so far even though we have had a number of windy storms there are no more issues with traps going dry

28.12.2023

F**R

Good quality, easy install and seems to be working

Female buyer installed this myself by cutting the soil stack with a multi tool and putting this on top. Delighted.

27.12.2023

P**J

Brilliant product at a brilliant price!!!

I needed to find a solution to a stinking soil pipe located in my back yard which made life hell during summer. Im not a plumber or anything like that so wasn't too sure what I could do to block off the stench which filled my garden and living room depending on the wind direction. Finally I stumbled across this little gem of a thing and my problem has been instantly solved. No fixing or sealing required..It just fits into the end of the end of the soil pipe and thats it..smell is gone!! As an added bonus, it's also legal(which is why I had to stop stuffing the pipe with bin bags/shopping bags etc). Lastly at the time of me doing this review, the exact same valve was nearly twice the price at Screwfix..so it's a winner all-round. Thanx guyz!!!

2.04.2014

K**S

Fit for Purpose and Excellent Delivery

This was the Plumber specified item to complete a soil pipe modification and I found the best price and delivery option on Amazon. Item was delivered the following morning and fitted within 5 minutes of delivery (access already in place). A much neater looking solution than extending the pipe up past the eaves.

2.02.2014

J**N

Works ok but emits load noise at times came in ...

Works ok but emits load noise at times came in box but put in upside down ! has it says on box keep upright so thats maybe atributes to the loud sound sometimes.

24.03.2017

D**Y

Don't buy anything else

The product did exactly what I needed it to do. It has stopped the waste ventilation returning back into the house. It was the exact size I needed and fitted snug into the soil pipe. The company who sold it was fast to deliver and I'd definitely recommend buying again if needed another one

4.12.2016

M**E

Okay

DIY

16.01.2025

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€ 126.83

Duties & taxes included

In stock

Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Cyprus.

Secure transaction

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