# Safety Valve CALEFFI 3/4" 8 bar model 311580

**URL:** https://aio.lv/en/product--caleffi-311580--11835809
**Data updated:** 2026-03-09 14:49 (EET)
**Category:** Home & DIY Accessories
**Manufacturer:** CALEFFI
**Manufacturer code:** 311580
**EAN:** 8016615003703
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 18.49 €
**Prices and availability valid until:** 2026-07-05 23:59
**Price without VAT (21%):** 15.28 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--caleffi-311580--11835809

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

Safety valve CALEFFI model 311580 is a 3/4" pressure relief valve rated for 8 bar. Designed to protect pressurized systems by releasing excess pressure when setpoint is exceeded. Suitable for heating, hot water and plumbing installations where overpressure protection is required. Compact brass construction ensures reliable operation and maintenance access.

## Long description

Safety Valve CALEFFI 3/4" 8 bar model 311580 is a compact brass pressure relief valve designed to protect pressurised systems by releasing excess pressure when the setpoint is exceeded. The valve is suitable for heating, hot water and general plumbing installations where reliable overpressure protection is required. Its robust construction and straightforward operation provide consistent safety performance and accessible maintenance.
Advantages
The CALEFFI 3/4" 8 bar safety valve features a durable brass body that resists corrosion and maintains dimensional stability under typical system conditions. It offers a defined 8 bar relief setting to prevent damage from overpressure, and its compact design makes it compatible with tight installation spaces. The valve provides reliable discharge action and ease of inspection, helping to reduce downtime during routine checks or maintenance.
Suitable for
Domestic and commercial heating systems
Hot water storage and distribution installations
Plumbing circuits requiring overpressure protection
Boiler and heat exchanger safety applications
Key specifications
Connection size: 3/4"
Relief pressure: 8 bar
Material: brass body
Function: pressure relief / safety valve
Application: heating, hot water, plumbing systems
How to use
Install the safety valve in a vertical orientation on the system pressure line or at the designated safety port, following local codes and the system manufacturer’s instructions. Ensure the outlet is directed to a safe discharge area and that thread sealing is applied correctly to the connection. Verify that the valve’s relief rating matches the system maximum allowable working pressure before commissioning. After installation, perform a pressure test to confirm correct operation and check for leaks around the connection.
Usage recommendations
Periodically inspect the valve and discharge line for blockage, corrosion or mineral buildup. Replace the valve if it shows signs of leakage, corrosion, or if it fails to open at the designated pressure. Ensure maintenance and replacement are carried out by qualified personnel and comply with applicable regulations and safety standards.

## FAQ

### How much does the Safety Valve CALEFFI 3/4" 8 bar 311580 cost, and is it available for purchase?

The price is 18.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 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 01.07.2026 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 CALEFFI 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 CALEFFI 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/11835809/67235550_large.webp