Facebook Pixel
Sign-Up Bonus
Get 500 Reward Points instantly when you join.
Redeem Instantly
50 points = $1 off at checkout.
Earn as You Shop
$1 spent = 1 point every time you order.
Member Perks
Unlock exclusive member-only savings and offers.

Register and Earn 500 Reward Points
Toggle Nav
Search
Toggle Nav
Join Our Loyalty Program
main product photo

Trane VAL8391 10-Ton Reversing Valve 1-1/8" X 1-3/8" ODF 24V

Be the first to review this product
Special Price $561.36 Regular Price $623.11
Out of stock
SKU
VAL8391
The Trane VAL8391 is a reversing valve that is used in HVAC systems. It has the most essentialfunction in heat pumps, it regulates the flow of the refrigerant. This enables the system to from a heating mode to a cooling mode. The valve is 1 1/8” and the outside diameter flange is 1 3/8”. It is applicable for systems with a cooling capacity of up to 10 tons. The figure 24V electrical voltage that is needed to power the valve. This makes it possible to use the system to either warm or cool your space depending on the required temperatures.
Add to Wish List
HVAC Controls & Electrical, Valves
Manufacturer:
https://www.partshnc.com/media/catalog/product/v/a/val8391.jpg

Specifications

  • Length: 8.800"
  • Inlet Size
  • 1-1/8"
  • Outlet Size: 1-3/8"
  • Weight: 3.87lbs
  • Voltage: 24V
  • Capacity: 10 Ton
  • Type: Switchover
  • Pressure Regulator: 4.5 Mpa
Manufacturer Name: Trane
Product Number: VAL8391
OEM Part Number: VAL8391
Product Description: 1 1/8"X1 3/8"Odf 10T 24V Rev
Weight:3.87lbs/1755.4g

Choose the best HVAC equipment parts and supplies from PartsHnC!

  • Same Day Shipping

  • Best Quality And Best Price

  • Wide Range of Inventory

  • Best Customer Service

Have More Questions or Need Help to Place The Order?
Reach us at (866)773-0907 or [email protected]

Reviews
Write Your Own Review
You're reviewing:Trane VAL8391 10-Ton Reversing Valve 1-1/8" X 1-3/8" ODF 24V
Your Rating
Product Questions (2)
Customer Questions
What maintenance is required for the Trane VAL8391 Reversing Valve?

Regularly inspect the valve for refrigerant leaks, coil cleanliness, and proper electrical connections. Ensure smooth switching between heating and cooling modes. Clean surrounding lines and check for moisture or corrosion. Proper maintenance ensures efficient system operation and prevents flow switching failures or refrigerant performance issues.

What are common issues with the Trane VAL8391 Reversing Valve?

  • Valve stuck in heating or cooling mode.
  • Refrigerant leakage around valve body or joints.
  • Electrical coil failure or weak switching response.
  • Internal blockage causing restricted refrigerant flow.
  • Inconsistent system pressure leading to poor performance.

Installation Steps

Step 1: Turn off HVAC power and recover refrigerant safely.

Step 2: Remove faulty valve, noting port orientation and piping layout.

Step 3: Braze the new reversing valve using purge to prevent oxidation.

Step 4: Evacuate system to proper vacuum level and leak-test all joints.

Step 5: Recharge refrigerant per manufacturer specs and restore power.

Step 6: Test heating/cooling modes for correct valve switching.