
Whitco MK8 Chainwinder Push To Lock 5 Disc – No Accessories Pack
Key Features
- Whitco MK8 push to lock chainwinder for awning windows.
- 5 disc wafer cylinder locking mechanism.
- Push button locking with key operation for unlocking.
- Suitable for aluminium or timber awning windows.
- Compatible with butt hinges, hook hinges and non friction stays.
- Through flyscreen operation.
- Smooth and quiet operation.
- Maximum opening of approximately 300 mm.
- Approximately 19 handle turns for full opening.
- Foldable knob handle helps prevent interference with blinds.
- Retrofits existing Whitco MK7 and MK8 chainwinder installations.
- Opening restrictor clips can limit opening to approximately 100 mm or 150 mm.
Specifications
- Item Code: W380916
- Product Series: Whitco MK8
- Product Type: Push To Lock Window Chainwinder
- Locking Type: 5 Disc Wafer Cylinder
- Chain Material: Mild Steel
- Maximum Opening: 300 mm
- Handle Turns: Approx. 19
- Application: Awning Windows
- Operation: Through Flyscreen Operation
- Window Suitability: Aluminium or Timber Awning Windows
- Standard Compliance: AS4145.3 Window Lock Standard
- Pack Type: Trade Pack – No Accessories Included
Dimensions
Frequently Asked Questions
What windows does this chainwinder suit?
It suits aluminium or timber awning windows fitted with butt hinges, hook hinges or non friction stays.
What does “No Accessories Pack” mean?
This trade pack version includes the chainwinder only and does not include installation screws or accessory hardware.
Can the window opening be restricted?
Yes. A restrictor clip can limit the opening to approximately 100 mm or 150 mm to assist with Australian window safety requirements.
Additional Information
- Whitco MK8 chainwinders are widely used across Australian residential window installations.
- This model uses a 5 disc wafer locking cylinder.
- Commonly used as a replacement unit for older Whitco MK7 installations.
- Corrosion resistant versions are available with stainless steel chain and base plate.
Whitco MK8 Chainwinder Push To Lock – Item Code Family
Whitco branded products are covered by a 10 Year manufacturer warranty against defects in materials and workmanship.
- Pneumatic door closers: 12 months
- Keys: 12 months
- Finishes and cosmetic damage: excluded
- Removal, refitment and labour: excluded

Whitco Warranty Overview
Whitco branded products are manufactured by ASSA ABLOY Australia Pty Ltd and are covered by manufacturer warranties applicable to products sold in Australia. The warranty covers defects in material and workmanship subject to limitations, exclusions and proper installation and maintenance.
This summary outlines the key elements of Whitco warranty coverage. Full warranty terms, claim procedures and exclusions are detailed in the official Whitco warranty documentation.
Warranty Periods Summary
Finish & Material Notes
- Stainless steel is corrosion resistant but not stain-proof.
- Tea staining may occur if products are not cleaned and maintained in accordance with manufacturer recommendations.
- Cosmetic finish deterioration or appearance damage is not covered by warranty.
What the Warranty Covers
- Defects in materials and workmanship within the applicable warranty period.
- Assessment by ASSA ABLOY to determine whether warranty coverage applies.
- Repair, replacement with the same or closest equivalent product, or refund of purchase price at ASSA ABLOY's' discretion.
Common Warranty Exclusions
- Normal wear and tear.
- Misuse, abuse or installation outside manufacturer specifications.
- Improper maintenance or neglect.
- Unauthorised modification or repair.
- Use of non-genuine ASSA ABLOY parts.
- Exposure to corrosive environments including coastal air, salt spray, chemicals or high humidity.
- Removal, refitment, transport or labour costs.
- Second-hand goods or products not originally sold through authorised Australian channels.
Warranty Claim Process
- Retain proof of original purchase.
- Return the product to the authorised retailer from whom it was purchased where applicable.
- If claiming directly with ASSA ABLOY, contact customer service to obtain a Case Number.
- Securely package the product and include proof of purchase.
- Clearly mark the Case Number on the returned package.
Australian Consumer Law
Whitco warranties operate in addition to rights provided under the Australian Consumer Law. Goods come with guarantees that cannot be excluded under Australian law.
Customers may be entitled to a replacement or refund for a major failure and compensation for reasonably foreseeable loss or damage. Where a product fails to meet acceptable quality standards and the failure does not amount to a major failure, the customer is entitled to repair or replacement.
Official Warranty Documents
Whitco Warranty Overview
Whitco branded products are manufactured by ASSA ABLOY Australia Pty Ltd and are covered by manufacturer warranties applicable to products sold in Australia. The warranty covers defects in material and workmanship subject to limitations, exclusions and proper installation and maintenance.
This summary outlines the key elements of Whitco warranty coverage. Full warranty terms, claim procedures and exclusions are detailed in the official Whitco warranty documentation.
Warranty Periods Summary
Finish & Material Notes
- Stainless steel is corrosion resistant but not stain-proof.
- Tea staining may occur if products are not cleaned and maintained in accordance with manufacturer recommendations.
- Cosmetic finish deterioration or appearance damage is not covered by warranty.
What the Warranty Covers
- Defects in materials and workmanship within the applicable warranty period.
- Assessment by ASSA ABLOY to determine whether warranty coverage applies.
- Repair, replacement with the same or closest equivalent product, or refund of purchase price at ASSA ABLOY's' discretion.
Common Warranty Exclusions
- Normal wear and tear.
- Misuse, abuse or installation outside manufacturer specifications.
- Improper maintenance or neglect.
- Unauthorised modification or repair.
- Use of non-genuine ASSA ABLOY parts.
- Exposure to corrosive environments including coastal air, salt spray, chemicals or high humidity.
- Removal, refitment, transport or labour costs.
- Second-hand goods or products not originally sold through authorised Australian channels.
Warranty Claim Process
- Retain proof of original purchase.
- Return the product to the authorised retailer from whom it was purchased where applicable.
- If claiming directly with ASSA ABLOY, contact customer service to obtain a Case Number.
- Securely package the product and include proof of purchase.
- Clearly mark the Case Number on the returned package.
Australian Consumer Law
Whitco warranties operate in addition to rights provided under the Australian Consumer Law. Goods come with guarantees that cannot be excluded under Australian law.
Customers may be entitled to a replacement or refund for a major failure and compensation for reasonably foreseeable loss or damage. Where a product fails to meet acceptable quality standards and the failure does not amount to a major failure, the customer is entitled to repair or replacement.