# Manhole cover Vaillant 303963 for DN 80, polypropylene (PP)

**URL:** https://aio.lv/en/product--vaillant-303963--11287873
**Data updated:** 2026-03-07 19:57 (EET)
**Category:** Home Appliance Accessories
**Manufacturer:** Vaillant
**Manufacturer code:** 303963
**EAN:** 4024074430224
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 155.49 €
**Prices and availability valid until:** 2026-08-02 23:59
**Price without VAT (21%):** 128.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--vaillant-303963--11287873

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.07.2026 | free |
| Pickup points | 27.07.2026 | 1.89 EUR |
| Courier delivery to door | 27.07.2026 | 4.99 EUR |

## Summary description

Replacement manhole cover by Vaillant, model 303963, designed for DN 80 openings and manufactured from polypropylene (PP). Intended as a service or access cover for plumbing and HVAC installations where a DN 80 access point is required. Provides a compatible sealing and access solution for maintenance, inspection and component replacement in systems using DN 80 connections.

## Long description

Replacement manhole cover Vaillant 303963 is a polypropylene (PP) access cover designed to fit DN 80 openings. It serves as a service and inspection access point in plumbing and HVAC installations where a DN 80 connection is used. The cover provides a sealed closure while allowing straightforward removal for maintenance, inspection and component replacement in systems that require periodic access.
Advantages
The polypropylene construction ensures chemical resistance and low weight compared with metal alternatives, reducing the risk of corrosion and simplifying handling during installation or service. The cover is shaped to match DN 80 fittings and offers a reliable seal to limit dust and moisture ingress. Its compatibility with common DN 80 housings makes it a direct replacement option for repairs or retrofits without structural modification.
Suitable for
 Access and inspection points in domestic and light-commercial plumbing
 Service openings in HVAC systems with DN 80 connections
 Replacement of damaged or missing DN 80 access covers
 Locations where a lightweight, corrosion-resistant cover is preferred
Key specifications
 Material: polypropylene (PP)
 Designed for: DN 80 openings
 Function: service / access / inspection cover
 Typical characteristics: chemical resistance, lightweight construction, non-metallic
How to use
Position the cover over the DN 80 opening, ensuring that the sealing surfaces on both the cover and the housing are clean and free of debris. Press the cover into place until it engages with the retaining profile or seating surface of the DN 80 fitting. For removal, grip the cover edge and pull steadily to disengage; use appropriate tools only if specified by the system manufacturer. After maintenance or inspection, reseat the cover to restore the seal and verify that it sits flush with the surrounding fitting.
Usage recommendations
Inspect sealing surfaces before installation and replace the cover if cracks, warping or significant wear are present. Avoid exposing the polypropylene cover to open flames or strong solvents. For applications with unusual mechanical loads or temperatures outside typical plumbing and HVAC ranges, consult the system documentation or manufacturer guidance to confirm suitability.

## FAQ

### How much does the Manhole cover Vaillant 303963 DN 80 cost, and is it available for purchase?

The price is 155.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 22.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Manhole cover Vaillant 303963 DN 80 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Vaillant products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Vaillant service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11287873/68514012_large.webp