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.

Floplast External Air Admittance Valve Black

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503 zł

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Sold byAmazon PolandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Elevate your plumbing game with certified, weatherproof airflow innovation!

CERTIFIED RELIABILITY - A1 approved & kite marked to BS EN 12380 for ultimate peace of mind
ALL WEATHER DURABILITY - Tested to perform flawlessly from freezing cold to scorching heat without insulation
EFFORTLESS MAINTENANCE - Lightweight PVC design with CE marking for trusted quality and easy handling
CLEAN AIRFLOW GUARANTEE - Innovative mesh filter prevents debris and insects from compromising your system
FLOOD SAFE INSTALLATION - Can be installed below flood level of connected appliances, ensuring versatile placement

The FloPlast External Air Admittance Valve in sleek black PVC ensures efficient air entry into sanitary pipework while blocking foul gases. Certified A1 and kite marked to BS EN 12380, it operates reliably between -20°C and +60°C without insulation. Featuring a protective mesh to keep out debris and insects, it can be safely installed below flood levels, making it a versatile, durable choice for modern plumbing systems.

Specifications

ASIN	5666039695
Batteries Required?	No
Batteries included?	No
Best Sellers Rank	90,647 in DIY & Tools ( See Top 100 in DIY & Tools ) 685 in Central Heating System Accessories 3,377 in Pumps & Plumbing Equipment
Colour	Black
Customer Reviews	4.6 4.6 out of 5 stars (214)
Date First Available	21 April 2021
Guaranteed software updates until	unknown
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

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