Thermostatic Radiator Valve DANFOSS 013G3904 1/2"

Name: Thermostatic Radiator Valve DANFOSS model 013G3904
Brand: DANFOSS
SKU: 11700065
Price: 21.99 EUR
Availability: InStock

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Thermostatic Radiator Valve DANFOSS model 013G3904, straight, 1/2" connection

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Short description

DANFOSS thermostatic radiator valve model 013G3904 is a straight valve with a 1/2" connection designed for controlling flow to radiators in hydronic heating systems. It provides automatic temperature regulation when paired with a compatible thermostatic head, enabling room-by-room temperature control and energy-efficient operation in residential or commercial radiators.

Available for order: 341 pcs.

Warranty: 2 Years

SKU: 11700065

Manufacturer: DANFOSS

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Deliver the order:

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to the Customer Service Center at Kengaraga 2b, Riga

07.07.2026 {{selectedOffer.officeDeliveryString}}

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Customer service center

2b. Kengaraga str., Riga, Latvia, LV-1063

07.07.2026 {{selectedOffer.officeDeliveryString}}

free

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From 4.99 €

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From 1.99 €

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Product information

Description

Thermostatic Radiator Valve DANFOSS model 013G3904 is a straight valve with a 1/2" connection engineered for use in hydronic heating systems. Installed at the radiator inlet, the valve regulates flow to the heat emitter when combined with a compatible thermostatic head, enabling automatic room temperature control and contributing to efficient operation of residential or commercial radiator circuits.

Advantages

This straight DANFOSS thermostatic radiator valve is designed for reliable modulation of water flow to radiators, offering stable temperature control when paired with a thermostat head. Its 1/2" connection supports common radiator plumbing, and the compact straight form factor simplifies installation in typical piping layouts. The valve’s construction provides consistent operation and long service life under normal heating system conditions.

Suitable for

Domestic radiator heating systems in apartments and houses
Commercial radiator installations in offices or small public buildings
Retrofit projects replacing manual radiator valves with thermostatic control
Zoned or room-by-room temperature control when used with thermostatic heads

Key specifications

Type: Straight thermostatic radiator valve for use with external thermostatic head
Connection size: 1/2" (nominal thread size for radiator inlet)
Function: Modulates water flow to radiator for temperature regulation
Compatibility: Requires compatible thermostatic head (sold separately) for automatic control
Application: Suitable for hot water hydronic radiator circuits

How to use

Fit the valve into the radiator inlet using the 1/2" connection and ensure a secure, leak-free joint following standard plumbing practices. Mount a compatible DANFOSS or other-make thermostatic head on the valve spindle to enable automatic temperature regulation. After installation, purge air from the radiator and check system pressure. Set desired room temperature using the thermostatic head; the valve will modulate flow according to the head’s setpoint.

Usage recommendations

Use with a thermostatic head specified for radiator valves and compatible with the valve’s connection. During installation, follow local plumbing codes and manufacturer torque recommendations for fittings. For reliable operation, avoid excessive debris in the heating circuit by using appropriate filters or strainers and perform periodic system maintenance.

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Customer questions

FAQ

How much does the Thermostatic Radiator Valve DANFOSS 013G3904 1/2" cost, and is it available for purchase?

The price is 21.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 341 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 07.07.2026 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 DANFOSS 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 DANFOSS 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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

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