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Danfoss

Danfoss RLV DN 15 straight lockshield radiator valve, manual shut-off

Part number003L0144Item numberCB-DANF-003L0144EAN / GTIN5702420031002HS code8481.80
MaterialBody brass, Nickel plated
HVAC & Refrigeration
Radiator Valves
MOQ:1

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Product Description

Danfoss RLV — manual lockshield radiator valve for two-pipe hydronic heating systems, OEM order code 003L0144. The RLV is a return-side lockshield valve with an integral drain-off feature, allowing an individual radiator to be shut off and drained/filled for maintenance without affecting the rest of the system. Regulation and isolation are set with a 6 mm hex socket under a screw-on cap. RLV DN 15, straight pattern. Body brass, finish Nickel plated. Connection to system Rp 1/2, connection to radiator R 1/2 (Internal thread), Kvs 2.5 m³/h. Max. working pressure 10 bar, test pressure 16 bar, flow temperature up to 120 °C. Genuine Danfoss part; technical data quoted verbatim from store.danfoss.com (code 003L0144). OEM P/N 003L0144, EAN 5702420031002. HS 8481.80.

Technical Specifications

Brand
Danfoss
Part number
003L0144
Type
RLV
Product group
Lockshield Valves
Description
Drain-off feature
Function
Return-side lockshield / isolating valve
Design
Straight
Nominal size
DN 15
Connection to system
Rp 1/2
Connection to radiator
R 1/2
Connection types
Internal thread
Tailpiece type
Standard
Kvs value
2.5 m³/h
Flow temperature (max)
120 °C
Working pressure (max)
10 bar
Test pressure
16 bar
Finish
Nickel plated
REACH candidate-list substances
Lead (CAS no. 7439-92-1)
Net weight
0.213 Kilogram
Gross weight
0.224 Kilogram
EAN
5702420031002
HS code
8481.80 (taps, cocks, valves for pipes, tanks, vats or the like)

Standards & Compliance

Material
Body brass, Nickel plated
Pressure Rating
10 bar max working (test 16 bar)
Temperature Range
up to 120 °C (flow)
HS Code
8481.80

Compatibility & Fitment

Return-side lockshield / isolating valve — pair with a Danfoss RA-N / RA-FN thermostatic radiator valve (or equivalent) on the flow side. DN 15, straight pattern, connection to system Rp 1/2, to radiator R 1/2. Confirm design, nominal size and connections against the installation before ordering.

Not sure if it fits? Email sales@cballast.com with your equipment serial number or photos — we confirm fit before you order.

Product Documentation

Document preview: Danfoss 003L0144 — OEM Product Page

Catalogue entry last verified: 2026-08-24. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.

Frequently asked questions

Where can I buy 003L0144?
003L0144 can be ordered from cballast.com as a Danfoss 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 Danfoss product?
The manufacturer part number is 003L0144.
What is the HS code for 003L0144?
The customs tariff (HS) code for 003L0144 is 8481.80.
Who manufactures 003L0144?
003L0144 is a Danfoss product in the HVAC & Refrigeration range.
Is a datasheet available for 003L0144?
Yes — the 003L0144 datasheet can be viewed and downloaded on this page.
What is the minimum order quantity for 003L0144?
The minimum order quantity is 1.
Is 003L0144 available?
Yes — 003L0144 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).