# Safety Relief Valve Afriso 42375 for Heating Systems GW 1/2" x 3/4"

**URL:** https://aio.lv/en/product--afriso-42375--11184868
**Data updated:** 2026-03-07 18:18 (EET)
**Category:** Home Appliance Accessories
**Manufacturer:** Afriso
**Manufacturer code:** 42375
**EAN:** 4016203423757
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 13.49 €
**Prices and availability valid until:** 2026-07-29 23:59
**Price without VAT (21%):** 11.15 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--afriso-42375--11184868

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

Safety relief valve Afriso model 42375 designed for heating installations with a GW 1/2" x 3/4" connection. The valve protects system pressure by releasing excess fluid when preset limits are exceeded. Intended for use in central heating circuits, boilers and hot-water systems where overpressure protection is required. Suitable for professional heating installations and maintenance.

## Long description

Safety Relief Valve Afriso 42375 for Heating Systems GW 1/2" x 3/4" is a pressure safety device designed for central heating circuits, boilers and hot-water systems. The valve opens automatically to discharge excess fluid when system pressure exceeds a preset limit, protecting components and piping from overpressure. Constructed for professional heating installations and maintenance, this model features a compact design and standard threaded connection size suitable for many residential and small commercial systems.
Advantages
The Afriso 42375 safety relief valve provides reliable overpressure protection through a simple mechanical mechanism that operates without external power. Its threaded GW 1/2" x 3/4" connection allows straightforward integration into existing piping, while durable materials ensure long-term resistance to corrosion and thermal stresses. The valve's precise release characteristics help maintain safe operating pressure, reduce downtime, and prevent damage to boilers, heat exchangers and distribution lines.
Suitable for
 Central heating systems and domestic boiler installations
 Hot-water cylinder and storage tank protection
 Small commercial heating circuits requiring overpressure protection
 Replacement or maintenance of existing pressure relief devices with matching connection sizes
Key specifications
 Connection size: GW 1/2" x 3/4" (threaded)
 Function: automatic pressure relief for liquid systems
 Application: central heating and hot-water systems
 Material: corrosion-resistant construction suitable for heating fluids
 Mounting: inline installation on pressure piping or boiler outlets
How to use
Install the safety relief valve in the designated pressure relief position on the boiler, hot-water tank or heating circuit using the GW 1/2" x 3/4" threaded connection. Ensure correct orientation and a tight, leak-free fit using appropriate sealing materials compatible with heating systems. Set or verify the discharge pressure according to system design and local regulations, and confirm the outlet is routed to a safe drain point. Periodically inspect the valve for leaks, corrosion and proper operation as part of routine system maintenance.
Usage recommendations
Use the valve only in closed heating systems with compatible fluids and within the designed temperature and pressure ranges. Observe local codes for installation, test the relief function after installation, and replace the valve if signs of malfunction, leakage or corrosion appear. For installation and pressure setting, refer to a qualified heating technician.

## FAQ

### How much does the Afriso safety valve 42375 GW 1/2" x 3/4" cost, and is it available for purchase?

The price is 13.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 30 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 16.07.2026 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 Afriso 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 Afriso 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/11184868/61950938_large.webp