Dunan DSF-20 4-Way Air Conditioner Reversing Valve – 1/2" Inlet x 3/4" Outlet, 7.2-8.0 m³/h Flow, R410A/R32/R22 Compatible

Product Description

Dunan's high-performance DSF-20 model is a 4-way reversing valve that switches between heating and cooling modes in heat pump and split air conditioner systems. With 1/2" inlet and 3/4" outlet connection sizes, it is suitable for medium-to-high capacity systems. With wide refrigerant compatibility, this valve offers up to 68,000 BTU cooling/heating capacity when operating with R22.

Key Features

• Flow capacity: in the 7.2 – 8.0 m³/h range
• Multi-refrigerant compatibility, primarily R410A, R32 and R22
• High performance and reliable switching at low pressure differences (min. 0.3 MPa)
• Fluid temperature resistance: -30°C ~ +135°C
• Safe use with CE, PED, UL and IECEx certifications

Technical Specifications

• Model: DSF-20 (variants: 2261, 2262, 2263)
• Part Codes: 240020068600 / 240020068700 / 240020068800
• Connections: Inlet: 1/2" – Outlet: 3/4" or 7/8"
• Flow (Kv): 7.2 m³/h (DSF-20-2200), 8.0 m³/h (DSF-20-2211)
• Nominal Capacity: 17.9 – 25.3 kW
• Maximum Capacity (R22): 68,000 BTU (≈ 19.9 kW)
• Maximum Operating Pressure: 3.1 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
• Medium-to-high capacity heat pump systems
• Residential and commercial HVAC systems

Meta Information

• Meta Title: Dunan DSF-20 4-Way Air Conditioner Valve – R410A/R22, 68,000 BTU
• Meta Description: The DSF-20 model is a 4-way reversing valve with 1/2"x3/4" connections and operates efficiently up to 68,000 BTU capacity with R22. Ideal for heat pump systems.
• Meta Keywords: DSF-20, Dunan valve, 4-way reversing, R22 air conditioner valve, 68,000 BTU valve, 1/2 3/4 valve, heat pump reversing valve, air conditioning system valve

Frequently Asked Questions

What does the Dunan DSF-20 4-way valve do?

The DSF-20 is a 4-way reversing valve that switches between heating and cooling modes in heat pump and split air conditioner systems. It is suitable for medium-to-high capacity residential and commercial HVAC systems.

What are the original (OEM) part codes of the DSF-20 valve?

The equivalent/original codes of this product are 240020068600, 240020068700 and 240020068800. The model variants are 2261, 2262 and 2263; you can verify by matching the code on the label of your existing valve.

What are the connection sizes and flow of the DSF-20 valve?

The inlet connection is 1/2" and the outlet connection is 3/4", with a flow capacity (Kv) in the 7.2 – 8.0 m³/h range. The maximum operating pressure is 3.1 MPa.

Which refrigerants does the DSF-20 work with and what is its capacity?

The DSF-20 is compatible with R410A, R32, R22, R407C, R134a, R290 and R404A. Its nominal capacity is 17.9 – 25.3 kW and it offers up to 68,000 BTU (≈ 19.9 kW) capacity 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.