Product Description
Watts 2131 Zone Valve with nipple/nipple 2-way. Seat valves (Plumbing / Heat / Valves for heating and cooling systems). Principal data: dn dimension 25, thread 1", connection Male thread, kvs value 4.5 m³/h. Supplied under manufacturer part number 21311, EAN 8016466049493, HS code 8481.80, country of origin Italy.
Technical Specifications
- Product type
- Seat valves
- Product group
- Heat
- DN dimension
- 25
- Thread
- 1"
- Connection
- Male thread
- Kvs value
- 4.5 m³/h
- Carbon footprint (EPD)
- 3.3706 kg CO2e per pcs
- Country of origin
- Italy
- Customs tariff code (EU CN)
- 84818059
- HS code
- 8481.80
- Manufacturer part number
- 21311
- GTIN (EAN)
- 8016466049493
- VVS number
- 466422028
Standards & Compliance
- HS Code
- 8481.80
Cross References
- EAN 8016466049493
- MPN 21311
Product Documentation
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Catalogue entry last verified: 2026-09-30. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy 21311?
- 21311 can be ordered from cballast.com as a Watts catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Watts product?
- The manufacturer part number is 21311.
- What is the HS code for 21311?
- The customs tariff (HS) code for 21311 is 8481.80.
- Who manufactures 21311?
- 21311 is a Watts product in the Valves range.
- Is a datasheet available for 21311?
- Yes — the 21311 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for 21311?
- The minimum order quantity is 1.
- Is 21311 available?
- Yes — 21311 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).