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header-product Sourcing A53803T 3/4 Expansion Tank Fitting
24.99 €

Sourcing A53803T 3/4 Expansion Tank Fitting

Sourcing A53803T 3/4 Expansion Tank Fitting Photo 1

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Short description

The Sourcing A53803T is a high-quality 3/4-inch fitting designed specifically for expansion tank installations. This durable component ensures a secure and leak-proof connection in heating and plumbing systems. Engineered for reliability, it facilitates efficient fluid management and system pressure regulation, making it an essential part for professional maintenance and installation of expansion tanks.
Available for order: 4 pcs.
Warranty: 2 Years
SKU: 12530748
Manufacturer: Sourcing
free shipment

Cheapest delivery:

Venipak Pickup LV, Venipak Locker LV

Pick-up points

Venipak Pickup LV

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
31.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
05.08.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 €
Parcel couriers
Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
05.08.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
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Payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay
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Product information

Description

The Sourcing A53803T 3/4 Expansion Tank Fitting is a precision-engineered component designed to provide a secure and reliable connection for expansion tanks in heating and plumbing systems. This fitting is built to withstand the rigors of pressurized environments, ensuring that fluid management remains consistent and leak-free throughout the lifespan of your installation. By utilizing high-quality materials, this component supports the integrity of your system, helping to maintain optimal pressure regulation and overall operational efficiency.

Advantages

The primary benefit of this fitting is its robust construction, which provides a dependable seal that minimizes the risk of leaks in critical plumbing junctions. Its design is specifically optimized for 3/4-inch connections, ensuring a perfect fit that simplifies the installation process for both professionals and experienced DIY enthusiasts. The durability of the material ensures long-term performance, reducing the need for frequent maintenance or replacement of system components.

Suitable for

  • Connecting expansion tanks in residential heating systems
  • Plumbing installations requiring 3/4-inch pressurized connections
  • Professional maintenance and repair of hydronic heating circuits
  • System upgrades where reliable fluid management is required

When it may not be suitable

This fitting is designed specifically for 3/4-inch connections and will not be compatible with systems requiring different pipe diameters. It is intended for standard expansion tank applications and may not be suitable for high-pressure industrial environments or systems involving corrosive chemicals that exceed the material's specifications.

Key specifications

  • Connection size: 3/4 inch
  • Application: Expansion tank installation
  • Material: Durable metal alloy
  • Compatibility: Standard heating and plumbing systems

How to use

To install the fitting, ensure the system is depressurized and drained to prevent fluid leakage. Clean the threads of the expansion tank and the connecting pipe thoroughly. Apply appropriate thread sealant or plumber's tape to the threads to ensure a watertight seal. Carefully thread the fitting onto the expansion tank and tighten it using a suitable wrench, taking care not to overtighten, which could damage the threads. Once installed, slowly pressurize the system and inspect the connection for any signs of moisture or leaks before resuming normal operation.

What to consider before purchase

  • Verify the pipe diameter of your existing expansion tank setup
  • Ensure the fitting material is compatible with your system's fluid type
  • Check that you have the necessary tools, such as a pipe wrench, for installation
  • Confirm the pressure rating requirements of your specific heating system

Usage recommendations

Regularly inspect the connection point during annual system maintenance to ensure the seal remains tight and free from corrosion. If the system is frequently drained, check the thread sealant condition to maintain optimal performance.

Description

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Customer reviews

Customer questions

FAQ

How much does the Sourcing A53803T 3/4 Expansion Tank Fitting cost, and is it available for purchase?

The price is 24.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 31.07.2026 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 Sourcing 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 Sourcing 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.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Fast Delivery Get your orders as quickly as possible — right to your door, parcel lockers, or pickup points across Latvia and the EU.
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Secure Payment Pay the way you prefer: cash, VISA, MasterCard, Apple Pay, Google Pay, bank transfer, or 0% installment plan.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.