Domus Lighting LED Profiles Domus Nova-17/Omega-17 P/M Diffuser Only
Domus Lighting LED Profiles Domus Nova-17/Omega-17 P/M Diffuser Only
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Domus Lighting
SKU: 21990

Domus Nova-17/Omega-17 P/M Diffuser Only

Colour: Opal
$4.95
$4.95
Product Description  
Product Description
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The Domus LP-1707-DIFF is a replacement diffuser for the Nova-17 and Omega-17 profiles — sold per metre, in opal or black.

⭐ Why one diffuser fits two different profiles
  • ⭐ Nova-17 is 17 × 7 mm. Omega-17 is 17 × 15 mm. ⭐ They share the same 17 mm WIDTH and differ only in DEPTH.
  • ⭐ A diffuser slides into a channel across its width — ⭐ depth is behind it and does not touch it. ⭐ So one 17 mm diffuser serves both, which is why this part is sold against both names.
  • ⭐ That is a genuinely useful thing to know: it means a damaged diffuser on either profile is one part number, ⭐ and it means you can change the LOOK of an installed run without touching the extrusion.
⭐ What you can change after installation — and what you cannot
⭐ Changeable later
Diffuser opal ↔ black ⭐ YES — this part, slides out
Strip (brightness, colour) ⭐ Yes, with the diffuser out
Profile finish ⛔ No — the extrusion is fixed
Depth / dot blending ⛔ No — the profile decides it
A routed groove ⛔ No
  • ⭐ So the diffuser is the cheap, reversible half of the decision — ⭐ if you fit opal and find the white line too present when it is off, this part changes it.
  • ⚠ What it cannot fix is dotting, ⭐ because that is set by the depth between the LEDs and the diffuser — ⭐ a Nova-17 at 8 mm and an Omega-17 at 15 mm behave differently with the same strip and the same diffuser.
⚠ A note on this listing's own text

⭐ Its order code is LP-1707-DIFF — the Nova-17 code — but its description introduces “the LP-1715-SM profile system”. ⭐ That is the Omega-17: 17 × 15 mm. ⭐ So the body is describing one of the two ranges the part genuinely fits — ⚠ but it is the one NOT named in its own code, and it never mentions the other. ⭐ A reader arriving from a Nova-17 page finds a description of a different profile and no reassurance the part is right. ⭐ It is: it fits both.

✅ The specification
Specification Value
Part ⭐ Diffuser only — ⛔ no profile, no strip, no driver
Fits ⭐ Nova-17 (17 × 7 mm) and Omega-17 (17 × 15 mm)
Why both ⭐ Same 17 mm width — ⭐ depth does not touch the diffuser
Options ⭐ Opal (21990) or black (21991)
Material Flat PMMA
Sold Per metre, cut to length
Order code LP-1707-DIFF
⛔ Output difference opal vs black ⛔ Not published
⛔ Made to order, cut to length

No lead time is published. Call our team to confirm. ⭐ We will. ⚠ Measure the run before ordering — ⭐ a diffuser cut short cannot be lengthened.

Where it works
  • ⭐ Replacing a damaged diffuser — ⭐ one part for two profiles.
  • ⭐ Changing opal to black on an installed run.
  • ⭐ Spares — ⭐ the part most likely to be marked during a fitout.
  • ⛔ Not a fix for dotting — ⚠ that is set by the profile depth.
  • ⛔ Not a profile — ⭐ diffuser only.
Specifying it

Replacement flat PMMA diffuser, opal or black, sold per metre and cut to length. Fits Nova-17 (17 × 7 mm) and Omega-17 (17 × 15 mm). Order code LP-1707-DIFF. ⭐ ONE DIFFUSER FITS BOTH BECAUSE THEY SHARE A 17mm WIDTH AND DIFFER ONLY IN DEPTH — a diffuser slides in across the width, and depth sits behind it. ⭐ THAT MAKES THIS THE CHEAP, REVERSIBLE HALF OF THE DECISION: opal to black on an installed run is this part alone. ⚠ WHAT IT CANNOT FIX IS DOTTING, which the profile depth sets. ⚠ Note the description here introduces the LP-1715 (the Omega-17) though its own code is the Nova-17's — it fits both.

Supplied and supported by Lights For You.

Questions
How can one diffuser fit two different profiles?

Because Nova-17 and Omega-17 share the same 17mm width and differ only in depth — 7mm against 15mm. A diffuser slides into a channel across its width, and the depth sits behind it without touching it. So one 17mm diffuser serves both, which is why this part is sold against both names.

What can I change after installation?

The diffuser and the strip. The diffuser slides out, so opal to black — or a damaged one to a new one — is this part alone. With the diffuser out, the strip can also be changed for a brighter or different-colour one. What you cannot change is the profile finish, the routed groove, or the depth.

Can this fix a run that shows dots?

No, and that is the important limit. Dotting is set by the depth between the LEDs and the diffuser — a Nova-17 at 8mm and an Omega-17 at 15mm behave differently with the same strip and the same diffuser. Changing the diffuser changes the look and the output, not the blending distance.

Which should I choose, opal or black?

Black if the off state matters — it reads as a dark line rather than a white stripe, which in a dark ceiling or cabinet is the whole point. Opal if output matters, since the tint absorbs light. Domus does not publish how much, so if the run is doing real work rather than decorating, opal is the safer choice.

Why does the description talk about a different profile?

Its order code is LP-1707-DIFF — the Nova-17 code — but the description introduces "the LP-1715-SM profile system", which is the Omega-17 at 17 x 15mm. So the body is describing one of the two ranges the part genuinely fits, but it is the one not named in its own code, and it never mentions the other. A reader arriving from a Nova-17 page finds a description of a different profile and no reassurance the part is right. It is — it fits both.

Is this a good thing to keep as a spare?

Yes. The diffuser is the part most likely to be marked or damaged during a fitout — it is plastic, it is the exposed face, and it goes in before the rest of the trades finish. One spare metre covers both profile families, which makes it an unusually efficient thing to hold.

Anything to watch when ordering?

Measure the run first. It is cut to length and a diffuser cut short cannot be lengthened, so the measurement matters more than usual on a part with no adjustment in it. No lead time is published, so call us to confirm before ordering.

Product Specifications  
Product Specifications
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Specifications

BrandDomus Lighting
Model / SKUsLP-1707-DIFF — 21990 Opal, 21991 Black
⭐ ONE DIFFUSER, TWO PROFILESNova-17 (17 × 7mm) and Omega-17 (17 × 15mm)
⭐ WHYSame 17mm WIDTH — ⭐ they differ only in DEPTH
⭐ And a diffuser slides in across the width⭐ Depth sits behind it and does not touch it
⭐ CHANGEABLE LATERThe diffuser (this part) · ⭐ and the strip, with it out
⛔ NOT changeableProfile finish · a routed groove · ⛔ the DEPTH
⚠ So it cannot fix DOTTING⭐ That is set by depth — ⭐ 8mm and 15mm behave differently
⭐ The cheap, reversible halfOpal → black on an installed run is this part alone
⚠ Its description introduces the LP-1715⭐ That is the Omega-17 — ⚠ not the Nova-17 in its own code
⭐ It fits both regardless⭐ The body simply describes one of the two and never names the other
⭐ Worth holding as a spare⭐ The most damage-prone part — ⭐ one metre covers both families
⚠ Measure before orderingCut to length — ⛔ a short diffuser cannot be lengthened

Variant specifications

After installationChangeable?
⭐ Diffuser opal ↔ black⭐ Yes — this part
Strip⭐ Yes, with the diffuser out
⛔ Depth / dot blending⛔ No — the profile decides
⛔ Routed groove⛔ No
Warranties, Return & Refund Policy  
Warranties, Return & Refund Policy
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Warranties

For all warranty claims please ensure you have your proof of purchase at hand, an invoice from your electrician from the installation and check the faulty product is within the applicable warranty period. Warranty is replacement only.

Lights For You is not responsible for damages caused by unprofessional installation, modified products or manipulated by the customer or by any other person not authorised by the manufacturer; as well as by improper use, manipulation and/or short circuits, apparent signs of improper treatment.

Faulty items: lodge warranty directly with the brand (manufacturer). Keep proof of purchase.

Damaged or Missing Items

Notification of any damages or missing items must be received by Lights For You within seven (7) days of receipt of the product. Please email photos to ashfield@lightsforyou.com.au.

If the product is to be repaired or replaced, it must correspond to the one originally sent by Lights For You and the customer must include the delivery note and/or invoice.

Returns

Change of Mind Returns

  • Customers who wish to return a product due to a change of mind or cancelled order may do so within thirty (30) days of receipt.
  • The customer is responsible for the shipping costs for a change of mind return, irrespective of any free, discounted or any other type of shipping promotion that may have been applicable at the time of your order. This includes any costs you incur for us shipping the product to you in the first place and the cost of shipping the product back to us.

Lodge a Return

You must lodge a return request via the below request form.

Excluded from Change of Mind

  • Clearance items
  • Discontinued items
  • Globes
  • Custom items
  • Made to Order (incl. custom cut profiles & LED strips)
  • Lamp shades
  • T4 fluorescent tubes
  • Gift cards

Credits will be issued in the form of store credit or gift voucher and will be equal to the price paid for the product minus the cost of shipping. Store credit vouchers are valid for six months from the date of issuance.

Our Rights

We reserve the right to refuse a return in cases where we cannot be reasonably satisfied that you purchased the product from us or where we are not responsible for the damage in accordance with our Faults & damages policy.

Cancellations

Customers who wish to cancel all or part of an order due to change of mind or incorrectly ordered may do subject to cancelling in within 12 hours, during business hours from time of purchase. Once products have been shipped, you cannot cancel them.

Your Options

  • Restocking fee: 20% will apply unless otherwise stated, or unless another order of equal or greater value is placed in lieu of this re-stocking fee.
  • Credit: will be issued in the form of store credit and will be equal to the price paid.

    Please refer to the following link to learn more about our policies

    Learn More

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