# Angular Radiator Shut-off Valve CALEFFI 3/4” (model 431503)

**URL:** https://aio.lv/en/product--caleffi-431503--11699871
**Data updated:** 2026-03-08 08:45 (EET)
**Category:** Heating Radiators
**Manufacturer:** CALEFFI
**Manufacturer code:** 431503
**EAN:** 8016615007503
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 29.49 €
**Prices and availability valid until:** 2026-07-07 23:59
**Price without VAT (21%):** 24.37 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--caleffi-431503--11699871

## 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

Angular radiator shut-off valve by CALEFFI, size 3/4” (MPN 431503, EAN 8016615007503). Designed for isolating and controlling flow to radiators in heating systems. Fits angled connections, provides shut-off functionality for maintenance or replacement, and is suitable for residential and commercial central heating installations requiring a 3/4” radiator valve.

## Long description

Angular radiator shut-off valve CALEFFI 3/4” is a compact angled valve designed to isolate and regulate flow to a radiator in central heating systems. The valve suits installations with angled connections where a 3/4” thread is required and provides a reliable shut-off point for maintenance, radiator replacement, or flow balancing. Constructed to work with typical residential and commercial heating circuits, this CALEFFI valve is intended to integrate with standard radiator tails and pipework while allowing easy manual operation.
Advantages
This angular shut-off valve offers straightforward isolation and flow control for radiators, enabling quick disconnection during servicing without draining the entire system. Its angled orientation simplifies connection in tight or offset installations and reduces stress on pipe fittings. The valve is made by a reputable heating components manufacturer and is engineered for compatibility with common heating system configurations requiring a 3/4” radiator valve.
Suitable for
 Residential central heating radiators with angled connections
 Commercial heating systems requiring radiator isolation
 Radiator replacement or maintenance where local shut-off is needed
 Installations that require a compact angled valve to fit limited space
Key specifications
 Connection type: angled radiator valve for 3/4” threaded connections
 Function: manual shut-off and flow control for individual radiators
 Application: central heating systems (residential and commercial)
 Orientation: angular/angled body to suit offset piping
 Operation: manual spindle/handle control for opening and closing
How to use
Install the valve on the radiator inlet or outlet using the matching 3/4” threaded connection, ensuring threads and sealing surfaces are clean and use appropriate sealing material if required. Tighten to the recommended torque for your piping material and check alignment so the valve body fits the angled piping run without putting strain on fittings. Operate the valve by turning the spindle or handle to open or close the flow; verify tightness and absence of leaks after pressurising the system. For service, close the valve to isolate the radiator before draining or disconnecting the radiator connection.
Usage recommendations
Use the angular shut-off valve for individual radiator isolation and regular maintenance access. Check seals and connections after installation and periodically inspect for leaks or corrosion. When replacing radiators, close this valve to minimise system drainage and follow local regulations for safe handling of heating system fluids and pressure testing.

## FAQ

### How much does the Angular Radiator Shut-off Valve CALEFFI 3/4” 431503 cost, and is it available for purchase?

The price is 29.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 36 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/11699871/67083081_large.webp