# Filling Valve KK-Pol ZN2 3/8" — KK-Pol HR/ZNPP3/8

**URL:** https://aio.lv/en/product--kk-pol-hrznpp38--11325941
**Data updated:** 2026-03-07 19:57 (EET)
**Category:** Home Appliance Accessories
**Manufacturer:** KK-Pol
**Manufacturer code:** HR/ZNPP3/8
**EAN:** 5908310666129
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 6.99 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 5.78 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kk-pol-hrznpp38--11325941

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.99 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

Filling valve KK-Pol ZN2 3/8" (model HR/ZNPP3/8) is a compact plumbing component for controlling water supply to heating and domestic systems. The 3/8" connection suits compatible fittings and installations. Use for filling, topping up and maintaining pressure in boilers, radiators or closed-loop systems where a 3/8" inlet is required.

## Long description

Filling valve KK-Pol ZN2 3/8" (model HR/ZNPP3/8) is a compact plumbing component designed to control water supply for heating and domestic systems. The valve features a 3/8" connection compatible with common fittings used for filling, topping up and maintaining pressure in boilers, radiators and other closed-loop installations. Its compact form factor allows installation in confined spaces and on standard service lines where a reliable manual or semi-automatic filling function is required.
Advantages
The valve offers precise control of the filling process and is constructed for corrosion resistance and long service life in typical water heating environments. The 3/8" connection ensures compatibility with many flexible hoses and fitting adapters, simplifying installation. Its compact design reduces space requirements and enables convenient placement near boilers, radiators or manifold systems. Manufacture and materials suit domestic and light-commercial heating applications where straightforward pressure maintenance is necessary.
Suitable for
 Filling and topping up domestic boiler systems
 Maintaining pressure in closed-loop radiator circuits
 Connecting to compatible 3/8" supply hoses and fittings
 Repair or replacement of existing filling valves in heating installations
Key specifications
 Connection size: 3/8" (female/male as applicable to installation)
 Application: water filling and pressure maintenance for heating and domestic systems
 Design: compact inline filling valve suitable for confined spaces
 Material characteristics: corrosion-resistant construction appropriate for potable water and heating circuits
How to use
Shut off the system and isolate the circuit before installing or servicing the valve. Connect the 3/8" fitting to the supply line and secure all joints according to plumbing best practices, ensuring proper sealing. Open the valve slowly to allow water into the heating system until the required pressure is reached, then close the valve. After filling, check for leaks and verify system pressure with the installed gauge. For routine topping up, operate the valve briefly and monitor pressure to avoid overfilling.
Usage recommendations
Use with compatible 3/8" hoses and fittings; confirm material compatibility with your system fluid. Perform installation and maintenance in accordance with local plumbing standards. If unsure about proper installation, consult a qualified heating engineer.

## FAQ

### How much does the Filling Valve KK-Pol ZN2 3/8" cost, and is it available for purchase?

The price is 6.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 148 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 13.07.2026 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 KK-Pol 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 KK-Pol 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/11325941/65455360_large.webp