# WILO pump accessory set 15: Z-NOVA A,C,T coupling and half-union components

**URL:** https://aio.lv/en/product--wilo-4092743--11699747
**Data updated:** 2026-03-08 08:45 (EET)
**Category:** Home Appliance Accessories
**Manufacturer:** WILO
**Manufacturer code:** 4092743
**EAN:** 4016322914396
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 21.49 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 17.76 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--wilo-4092743--11699747

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

Accessory set for WILO pumps, model 15: Z-NOVA A,C,T. Contains coupling and half-union (half-screw) components compatible with Z-NOVA A, C, T series. Intended for installation, repair or replacement of pump connections and pipe fittings. Useful for maintaining hydraulic tightness and connecting pump units in heating, ventilation and circulation systems.

## Long description

The WILO pump accessory set 15: Z-NOVA A,C,T coupling and half-union components is an accessory kit designed for connecting and servicing WILO Z‑NOVA A, C and T series circulation pumps. The set includes coupling and half-union (half-screw) parts that are intended to restore or maintain hydraulic tightness between the pump housing and the piping system. It is suitable for installation, repair or replacement work on heating, ventilation and hot-water circulation systems where compatible Z‑NOVA pumps are used.
Advantages
This accessory set provides precisely fitted coupling and half-union components made to match the geometry of Z‑NOVA A, C and T pump series, enabling reliable mechanical connection and sealing. Using original-matching parts helps reduce leak risk and simplifies maintenance procedures by avoiding ad hoc modifications. The components are compact and intended for straightforward integration into existing pump connections, supporting efficient field replacement and reduced downtime.
Suitable for
Installation of Z‑NOVA A, C, T series circulation pumps
Repair or replacement of damaged coupling or half-union fittings
Maintenance work on heating, ventilation and domestic hot-water circulation systems
Field servicing where restoring hydraulic tightness is required
Key specifications
Compatibility: components shaped for Z‑NOVA A, C and T series pump connections
Included parts: coupling element and half-union (half-screw) components for pump-to-pipe connection
Function: mechanical connection and hydraulic sealing between pump and pipework
Application area: circulation pumps in heating, ventilation and domestic hot-water systems
How to use
Shut down the pump and isolate the relevant section of the piping system before beginning work. Drain the section if necessary and remove the existing coupling or half-union fittings. Fit the supplied coupling and half-union components to the pump shaft and pipe connection following the pump manufacturer’s recommended orientation. Tighten connections to the torque and sequence appropriate for the installation to ensure correct sealing. After installation, refill and repressurize the system, then check for leaks and proper pump operation.
Usage recommendations
Use this accessory set with the compatible Z‑NOVA pump series and inspect sealing surfaces for damage before installation. Replace any worn or corroded mating parts to ensure reliable hydraulic tightness. If uncertain about installation procedures or torque settings, consult the pump technical documentation or a qualified technician.

## FAQ

### How much does the WILO pump accessory set 15 Z-NOVA A,C,T cost, and is it available for purchase?

The price is 21.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 52 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 03.07.2026 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. All transactions are 100% secure and encrypted.

### 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 WILO 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 WILO 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/11699747/67083011_large.webp