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Item #:
143464527
Viessmann 7837231 Expansion Tank, CRI 8 for Vitodens 100-W B1KA 35 Series Boilers
Item #:
143464527
USD 435
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
QTY:
Order now and get it around Thursday, July 16
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Compatible with Vitodens 100-W B1KA 35 Series Residential Wall-Mounted Gas Condensing Boilers.
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What Stands Out
Optimized Compatibility
Specifically designed for Vitodens 100-W B1KA 35 Series Boilers, ensuring optimal performance and seamless integration, minimizing installation issues and maximizing efficiency.
Durable Construction
Built with high-quality materials that resist corrosion and wear, offering longevity and reliability under various conditions, reducing maintenance costs and prolonging operational life.
Pressure Regulation
Effectively manages system pressure fluctuations, enhancing safety and performance, and addressing common user concerns regarding system stability and efficiency in heating applications.
Product Details
| Item Weight | 5 lbs (2.27 kg) |
Who Should Buy?
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Homeowners
Ideal for homeowners with Vitodens 100-W B1KA 35 series boilers needing efficient pressure regulation and system stability.
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HVAC Professionals
HVAC specialists can enhance boiler performance and ensure optimal expansion tank integration during installations.
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Energy Efficient Users
Great for users prioritizing energy efficiency and longevity in their heating systems with Viessmann components.
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Non-Viessmann Systems
Not suitable for users with non-Viessmann boilers that are incompatible with this specific expansion tank design.
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Budget-Conscious Buyers
Less ideal for customers seeking lower-cost alternatives as this product may carry a higher price point.
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DIY Enthusiasts
Not recommended for those lacking professional knowledge or experience in installing complex heating system components.
Product Description
Viessmann 7837231 Expansion Tank, CRI 8 for Vitodens 100-W B1KA 35 Series Boilers
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Is this expansion tank compatible with other boiler models?
Answer: No, it is specifically designed for Vitodens 100-W B1KA 35 Series. -
Question:
Can I install the expansion tank myself?
Answer: No, installation must be completed by a licensed professional heating contractor. -
Question:
What information do I need when ordering?
Answer: You need to provide the 16-digit boiler serial number or the 12-digit ASME/NB serial number.
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MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
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Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
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6/7/2026 · via Trustpilot
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Kwame
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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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USD 435
Order now and get it around Thursday, July 16
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- Designed specifically for Vitodens 100-W B1KA 35 Series.
- Essential for maintaining optimal boiler performance.
- Ensures compatibility with residential wall-mounted systems.
- Professional installation by a licensed contractor is required.
- Check serial numbers for guaranteed fit before purchasing.
- A vital replacement part for efficient hot water systems.
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