H4TXV02 MrCool HVAC Accessories Thermal Expansion Valve HVAC Kit, 3-to-3.5-ton Pressure Capacity

Regular price $116.00 USD
Regular price Sale price $116.00 USD
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Benefits & Features

✅ Precision Control: Engineered to oversee the speed of liquid travel from condenser to evaporator.
✅ Efficiency Optimization: Optimizes the efficiency of the evaporator.
✅ Superheat Control: Controls the degree of superheating at the evaporator's outlet.
✅ Preventive Design: Prevents surplus liquid refrigerant from circulating back to the compressor.
✅ Versatile Compatibility: Compatible with MrCool Signature TXV series and available in different pressure capacities.

Product Specifications

Item Dimensions: 9.7" (D) x 3.7" (H) x 5.8" (W)
Item Weight: 2 lbs
Item Color: Copper

Pressure Capacity: 3 to 3.5 ton

Batteries: No
Electronics: No
Chemicals: No
Aerosol: No
Compressed Gas: No
Proposition 65 Warning: Yes
Restricted States: GU;PR;VI

Manuals & Documentations

Installation Manual,

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How We Ship Your Order

Order Confirmation: As soon as you place your order, you will receive an order confirmation email automatically. This confirms we received your order and pre-authorized your credit card.

We Process Your Order: We work in the background to match your order with the closest available inventory to you. We work with and confirm availability with our warehouse network, and we get a confirmation the order has shipped. This process typically takes 3-5 days but can be several weeks (if your item is made to order).

We Navigate & Keep You Informed: We make sure you receive your orders as smoothly as possible. If there are any challenges with stock availability, shipping times, shipping carrier cost changes, damages that occur during shipping, or anything else, we are here to help. We will reach out to you by email, sms or phone to make sure you are always informed.

We Provide Shipment Tracking: All orders will be shipped via small parcel or shipped via freight companies that specialize in larger products. As soon as your order has shipped, tracking information will be sent via email or sms. We aim to provide tracking within 3 days from the time when we receive the order from you.

Your Order is Delivered: Once your shipment arrives, inspect the packaging before accepting and signing for delivery whenever possible.

If anything does arrive damaged, take photos and reach out to us immediately. Keep everything together (do not discard packaging or shipping materials) and wait for instructions so your order can be returned and exchanged for an undamaged and working product.

What if I need to cancel?

  1. Cancellations of Made-to-Order Items: Once confirmed, an order for a made-to-order item may be considered final and partially (up to fully) non-refundable. 
  2. Cancellations of Available Items: If the item you ordered is available for shipping, it may ship within 24-48 hours of your order. If an item is already shipped, the order can not be canceled. We will help you return the item, but restocking fees may apply if canceled after shipping. Read the full policy.
  3. Cancellations of Preorders: If an item is not currently available, but we keep your order in place as a pre-order. You are welcome to cancel; however, please note that fees will apply as costs are incurred. 

The MrCool Thermostatic Expansion Valve, designed for a 3 to 3.5 ton pressure capacity, serves as a crucial component in both refrigeration and air conditioning systems. Its primary function is to manage the flow of refrigerant into the evaporator, thus . This regulated flow plays a key role in  while preventing surplus liquid refrigerant from circulating back to the compressor.


  • MrCool — Signature TXV series

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Warning: This product can expose you to chemicals including Lead and lead compounds, which are known to the State of California to cause cancer or birth defects or other reproductive harm:

Frequently Asked Questions about the H4TXV02 MrCool HVAC Accessories Thermal Expansion Valve HVAC Kit, 3-to-3.5-ton Pressure Capacity

What is an HVAC Expansion Valve?

An HVAC Expansion Valve is a crucial component that regulates the flow of refrigerant into the evaporator, controlling the cooling process in air conditioning and refrigeration systems.

Why is the Expansion Valve important in HVAC systems?

The Expansion Valve is vital as it ensures the proper flow and distribution of refrigerant, optimizing the efficiency of the evaporator and preventing issues like overheating or undercooling.

How does the Expansion Valve impact system efficiency?

The Expansion Valve optimizes system efficiency by regulating the amount of refrigerant that enters the evaporator, ensuring that the cooling process is precisely controlled.

How does the Expansion Valve prevent surplus liquid refrigerant circulation?

The Expansion Valve regulates the flow, preventing surplus liquid refrigerant from circulating back to the compressor, ensuring optimal system performance.

Can the Expansion Valve improve energy efficiency in HVAC systems?

Yes, by regulating refrigerant flow and preventing wasteful circulation, the Expansion Valve contributes to overall energy efficiency in HVAC systems.