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Brett Martin 32mm Push Fit Waste Air Admittance Valve - Internal Use (W137) White

SKU

bm_W137W

£4.60 £3.83

Product Information

Brett Martin 32mm (1¼") Push Fit Waste Air Admittance Valve designed for internal drainage systems.
Manufactured from durable polypropylene for long-term performance and chemical resistance.
Captive ring seal provides a secure, watertight joint that accommodates thermal expansion.
Compatible with Brett Martin push-fit soil and waste systems for seamless integration.
Image for illustration purposes only; sold individually.

Details

The Brett Martin 32mm Push Fit Waste Air Admittance Valve (W137) is engineered for internal drainage applications, offering a reliable and easy-to-install solution for groundworks and building services contractors. Its push-fit design ensures a secure, airtight connection that supports effective ventilation within waste systems. Please note the image is for illustration purposes only.

Application

Ideal for use in internal soil and waste drainage installations, this valve allows air to enter the drainage system to prevent negative pressure and trap siphoning. Commonly specified by civil engineering contractors and site managers for commercial or public realm projects requiring robust, maintenance-friendly ventilation components.

Dimension

32mm diameter (1¼") suitable for standard waste pipework.

Material

High-quality polypropylene for chemical and thermal resistance.

Type

Push fit waste air admittance valve for internal use.

More Information

More Information
Manufacturer	Brett Martin
MPN	W137
Category	Soil & Waste
Colour	White
Type	Air Admittance Valves
Width	32mm
Availability	Generally available in 3 to 5 working days.
Sap Id	bm_W137W

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Delivery Information

Delivery availability

We deliver to most mainland UK addresses. Some postcode areas are excluded – please see the full list below.

Delivery charges

Delivery costs vary depending on your location, the products ordered, and the delivery method selected. All delivery charges are calculated clearly at checkout.

Fuel Surcharge

Information on our added Fuel Surcharge can be found at https://condell-ltd.com/fuel-surcharge-notification

Delivery dates

You can request a preferred delivery date at checkout. While we aim to meet this wherever possible, availability may depend on stock levels and third-party delivery schedules. If your chosen date is unavailable, a member of our team will contact you to arrange an alternative.

Delivery method

All deliveries are made kerbside as standard. For health and safety reasons, drivers are unable to carry materials beyond the kerb. If you have specific access requirements, please contact us before placing your order.

Delivery exclusions

We currently do not deliver to the following postcode areas:

AB16, AB21–22, AB30–AB38, AB41–AB56, BT1–BT94, CA2, CA15, CA28, DD1, DD8, DD9, DG1, DG2, DG10–DG14, DG16, FK18–FK20, GY1–GY9, HS1–HS9, IM1–IM9, IV1–IV5, IV7, IV12–IV13, IV21–IV28, IV30–IV36, IV40–IV56, JE1–JE4, KA1, KA4–KA6, KA14–KA15, KA18–KA21, KA27–KA30, KW1–KW3, KW6–KW17, KY6–KY10, KY13–KY16, LL49, LL58–LL62, LL64–LL78, PA17–PA78, PH11, PH19–PH26, PH30–PH33, PH35–PH38, PH40–PH44, PH49–PH50, PO30–PO41, SA68, SA71, ZE1–ZE3

Important delivery terms

Shortages must be reported within 48 hours and noted on delivery paperwork
All deliveries must be signed for; redelivery charges may apply
Deferred deliveries may incur storage charges
Collected orders are not subject to delivery charges
Returns are subject to a 25% restocking fee (delivery charges excluded)
Made-to-measure items are non-refundable
Reasonable access to the delivery point must be available; additional charges may apply