# Angled RTL Thermostatic Radiator Valve Set Varioterm ZRTL06/K, nickel finish

**URL:** https://aio.lv/en/product--varioterm-zrtl06k--10770535
**Data updated:** 2026-03-07 18:02 (EET)
**Category:** Heating Radiators
**Manufacturer:** Varioterm
**Manufacturer code:** ZRTL06/K
**EAN:** 5902414140714
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 29.49 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 24.37 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--varioterm-zrtl06k--10770535

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

Angled RTL (return, thermostatic, lockshield) radiator valve set Varioterm ZRTL06/K in nickel finish. Designed for controlling radiator flow and balancing heating circuits, the set includes an angled thermostatic valve, return (RTL) function and lockshield for flow adjustment. Suitable for typical hot-water central heating radiators and helpful for temperature control and hydraulic balancing.

## Long description

Angular RTL thermostatic radiator valve set Varioterm ZRTL06/K in a nickel finish is a three-part valve solution for regulation and hydraulic balancing of hot-water central heating radiators. The set combines an angled thermostatic valve with built-in return (RTL) functionality and a separate lockshield valve to enable accurate flow regulation between supply and return. The nickel finish provides corrosion resistance and a neutral metallic appearance suitable for many interior styles.
Advantages
The integrated RTL function reduces the need for additional external fittings by enabling return sensing directly at the radiator connection, improving temperature control and simplifying installation. The separate lockshield allows fine adjustment of flow rates for hydraulic balancing of a heating circuit. The angled design is compact and suitable for radiators with side connections, while the thermostatic element permits automatic room temperature control when paired with compatible heads. Durable nickel plating increases resistance to wear and provides a uniform finish that is easy to clean.
Suitable for
 Hot-water central heating radiators with side inlet/outlet connections
 Hydraulic balancing of multi-radiator heating circuits
 Replacement of standard angled radiator valves with a thermostatic and lockshield pair
 Installations where return sensing (RTL) at the radiator is required
Key specifications
 Configuration: angled valve set with thermostatic valve, RTL return function and lockshield
 Finish: nickel plated
 Application: hot-water central heating radiators
 Functionality: thermostatic temperature control and manual flow adjustment for hydraulic balancing
 Mounting orientation: side-mounted (angled) connections
How to use
Install the angled thermostatic valve on the supply connection and the lockshield on the return connection of the radiator, ensuring the RTL sensing element is positioned correctly to measure return temperature. After mechanical installation and leak testing, set the lockshield to balance flow across the circuit by partially closing or opening until the radiator heat output matches design requirements. Fit a compatible thermostatic head onto the thermostatic valve to enable automatic temperature regulation; adjust the head’s setpoint according to the desired room temperature. Periodically check seals and valve operation and perform hydraulic re-balancing after significant changes to the heating system.
Usage recommendations
Use a thermostatic head from a compatible range and follow manufacturer torque and sealing instructions during installation. When balancing, adjust lockshield valves gradually and measure temperature differentials to achieve correct flow distribution. Avoid exposing the nickel finish to aggressive chemical cleaners; clean with a soft cloth and mild detergent.

## FAQ

### How much does the Varioterm ZRTL06/K angled RTL radiator valve set 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 — 28 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 08.07.2026 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 Varioterm 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 Varioterm 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

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