Dunan DSF-11B 4-Way Air Conditioner Reversing Valve – 1/2" Inlet x 5/8" Outlet, 3.6 m³/h Flow, R410A/R32/R22 Compatible

Product Description

Dunan's DSF-11B model is a 4-way reversing valve that switches between cooling and heating modes in split air conditioner and heat pump systems. With 1/2" inlet and 5/8" outlet connections, this valve is ideal for medium-capacity applications and offers high performance with its 3.6 m³/h flow capacity. It is fully compatible with R22 as well as modern refrigerants such as R410A and R32, and provides a maximum capacity of 37,500 BTU with R22.

Key Features

• Effective system flow with high flow capacity (3.6 m³/h)
• Multi-refrigerant compatibility including R410A, R32 and R22
• Ability to operate at low pressure differences (min. 0.3 MPa)
• High temperature tolerance: -30°C ~ +135°C fluid temperature
• Holds CE, PED, UL and IECEx certifications

Technical Specifications

• Model: DSF-11B-2104
• Part Code: 240111006600
• Connections: Inlet: 1/2" – Outlet: 5/8"
• Flow (Kv): 3.6 m³/h
• Nominal Capacity: 6.8 – 9.6 kW
• Maximum Capacity (R22): 37,500 BTU (≈ 11.0 kW)
• Maximum Operating Pressure: 3.5 MPa
• Operating Temperature: Ambient: -30°C ~ +55°C | Fluid: -30°C ~ +135°C

Compatible Refrigerants

R410A, R32, R22, R407C, R134a, R290, R404A

Applications

• Split air conditioner outdoor units
• Air source heat pump systems
• Residential and light commercial HVAC applications

Frequently Asked Questions

What does the Dunan DSF-11B 4-way valve do?

The DSF-11B is a 4-way reversing valve that switches between cooling and heating modes in split air conditioner and heat pump systems. With its 3.6 m³/h flow it is designed for medium-capacity applications and can operate at a minimum pressure difference of 0.3 MPa.

What are the original (OEM) part codes of the DSF-11B valve?

The equivalent/original codes of this product are 240111006600 and DSF-11B-2104. You can verify by matching the code on the label of your existing valve.

What are the connection sizes and pressure rating of the DSF-11B valve?

The inlet connection is 1/2" and the outlet connection is 5/8", with a flow capacity (Kv) of 3.6 m³/h. The maximum operating pressure is 3.5 MPa.

Which refrigerants is the DSF-11B compatible with and what is its capacity?

The DSF-11B is compatible with R410A, R32, R22, R407C, R134a, R290 and R404A. Its nominal capacity is 6.8 – 9.6 kW and it provides a maximum capacity of 37,500 BTU (≈ 11.0 kW) with R22.

As a service company/technician, can I make invoiced and regular purchases?

Yes, all our sales are invoiced. All orders, including those from service companies and technicians, are placed directly through our website.

How do I track my shipment after ordering?

Your shipment tracking number is sent to your e-mail and phone after the order; you can track its status in the “Where Is My Package?” section.

Can I return or exchange the product?

Yes. Under the Consumer Protection Law No. 6502, you have the right of withdrawal/return within 14 days of delivery. To avoid ordering the wrong model, we recommend that you verify compatibility before ordering. Details are on our “Delivery, Returns and Exchanges” page.

What payment and instalment options are available?

You can pay by bank/credit card and Tosla, and take advantage of instalment/credit options via Fibabanka and Akbank. Current options are listed on our “Payment Options” page.

Where is Yedepa located and how is delivery made?

Yedepa is an e-commerce site; orders are placed via yedepa.com and shipped to your address by courier from our warehouses across Turkey and from our contracted suppliers. Our head office is at Cennet Mah. 2. Yavuz Selim Cad. No:68/A, Kucukcekmece / Istanbul.