# Straight lower connection radiator valve FONDITAL IT Blitz/Calidor/Extratherm, model 520216P

**URL:** https://aio.lv/en/product--fondital-it-520216p--11699872
**Data updated:** 2026-03-08 08:45 (EET)
**Category:** Heating Radiators
**Manufacturer:** FONDITAL IT
**Manufacturer code:** 520216P
**EAN:** 8015040072810
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Straight lower connection radiator valve by FONDITAL IT for Blitz, Calidor and Extratherm radiators, model 520216P (EAN 8015040072810). Designed for lower, straight inlet mounting on compatible radiators to control flow and enable connection to heating systems. Suitable for replacement or installation where a lower straight valve interface is required.

## Long description

Straight lower connection radiator valve by FONDITAL IT is designed for lower, straight inlet mounting on compatible Blitz, Calidor and Extratherm radiators. The valve provides a controlled flow interface between the radiator and the heating pipework, allowing installation or replacement where a lower straight valve connection is required. Its design matches the inlet orientation of the specified radiator models and ensures secure mechanical and hydraulic connection in standard residential and commercial heating systems.
Advantages
The valve offers a compact, straight-through layout that simplifies connection to lower inlet ports and reduces the need for additional pipe bends. It enables reliable flow control and straightforward replacement of existing lower connection fittings on compatible radiators. Constructed to meet common heating installation requirements, the valve is suitable for both new installations and maintenance tasks, helping maintain system efficiency and leak-free operation when installed correctly.
Suitable for
 Replacement of lower straight inlet valves on compatible Blitz, Calidor and Extratherm radiators
 New radiator installations requiring a straight lower connection
 Residential and light commercial central heating systems
 Maintenance work where direct lower pipe connection is preferred
Key specifications
 Orientation: straight, lower connection suitable for bottom inlet radiators
 Function: manual flow control between radiator and heating pipework
 Compatibility: designed to match the lower inlet interface of specified radiator models
 Application: intended for hot-water central heating systems in residential and commercial settings
 Installation: designed for inline mounting at the radiator inlet with standard pipe connections
How to use
Shut down the heating system and drain the relevant circuit before removing the existing valve. Position the straight lower connection valve to align with the radiator’s bottom inlet and the incoming pipework, then secure it according to the radiator manufacturer’s instructions and standard plumbing practice. Refill and vent the system to remove air, then check for correct operation and leak-free joints. Use appropriate seals and compatible connection fittings to ensure a durable installation.
Usage recommendations
Verify radiator inlet dimensions and thread types before purchase to ensure compatibility. During installation use appropriate sealing materials and follow local plumbing regulations; if uncertain, consult a qualified heating engineer to avoid incorrect fitting or leakage.

## FAQ

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### 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 FONDITAL IT 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 FONDITAL IT 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

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