Staywell 420 Deluxe Magnetic Cat Flap Woodgrain
Product Description
PetSafe Staywell 420 Deluxe Magnetic Cat Flap – Woodgrain Brown
The PetSafe Staywell 420 Deluxe Magnetic Cat Flap combines everyday pet freedom with extra control over which animals can enter your home. Using a magnetic collar key, the flap releases for your cat while helping deter neighbouring cats and other unwanted visitors.
Finished in an attractive woodgrain brown, the Staywell 420 features a reinforced transparent flap, draught-resistant sealing and a practical 4-way locking system. It can be fitted into a wide range of suitable doors, walls and professionally prepared glass units.

Magnetic Collar Key Entry
The Staywell 420 uses a silver magnetic collar key attached to your cat's collar. When your cat approaches the flap, the magnet activates the locking mechanism and allows access.
This provides more control than a standard unlocked cat flap and does not require batteries, electronic programming or mains power.
4-Way Locking Cat Flap
The manual 4-way lock lets you control how your cat uses the flap:
- In & Out – free entry and exit
- In Only – allows entry but prevents your cat going back outside
- Out Only – allows your cat to leave but prevents re-entry
- Fully Locked – prevents access in both directions
This makes it easy to adjust access during the day or keep your cat indoors overnight.
Weather-Resistant Flap
The reinforced transparent flap incorporates a draught excluder and magnetic closure to help the flap return to its closed position and reduce unwanted draughts.
The design helps improve weather resistance while maintaining smooth everyday operation.

Suitable for Doors, Walls & Glass
The PetSafe Staywell 420 can be installed into many suitable applications, including:
- Wooden doors
- uPVC door panels
- PVC doors
- Suitable metal doors
- Single-glazed glass
- Professionally manufactured replacement double-glazed units
- Wall installations using suitable tunnel extensions
The self-lining frame is suitable for installations up to approximately 50mm thick.
Key Features
- Genuine PetSafe Staywell 420 Deluxe Magnetic Cat Flap
- Woodgrain brown finish
- Magnetic collar key entry
- 4-way manual locking system
- Reinforced transparent flap
- Draught-resistant sealing
- Magnetic flap closure
- No batteries required
- Suitable for doors, walls and professionally prepared glass
- Easy to clean and maintain

Product Dimensions
- Overall Size: 241mm x 252mm
- Wood Cut-Out: 168mm x 175mm
- Glass Cut-Out Diameter: 212mm
- Maximum Door Thickness: approximately 50mm
- Maximum Pet Weight: approximately 7kg
- Maximum Pet Shoulder Width: approximately 150mm
Important: Always check the manufacturer's installation instructions and measure your cat and installation area before cutting a door, panel or glass unit.
Wall Installation
The Staywell 420 can also be fitted through a suitable wall using compatible PetSafe REL330 tunnel extensions. Additional tunnel sections can be used where extra depth is required.
For wall installations, ensure the opening is properly lined and weather-sealed to suit the construction of the wall.

What's Included?
- PetSafe Staywell 420 Deluxe Magnetic Cat Flap
- Silver magnetic collar key
- Fixings
- Installation instructions
Frequently Asked Questions
Does the Staywell 420 require batteries?
No. The magnetic entry system is mechanically operated and does not require batteries or mains power.
Will the Staywell 420 stop other cats entering?
The magnetic collar key helps restrict entry to a pet wearing the correct magnetic key, offering more control than a standard freely swinging cat flap. It should not be treated as a guaranteed security system against every animal.
Can the Staywell 420 be fitted into double glazing?
Yes, but only into a professionally manufactured replacement double-glazed unit with the correct circular aperture. Existing toughened or double-glazed glass should not be cut after manufacture.
What size hole is required for glass?
The specified glass cut-out is approximately 212mm diameter. Confirm the exact requirement with the glass manufacturer and supplied fitting instructions before ordering the replacement unit.
Can it be fitted through a wall?
Yes. Compatible REL330 tunnel extensions can be used for wall installations, with additional sections added where required.
Is it suitable for larger cats?
The stated maximum pet weight is approximately 7kg with a maximum shoulder width of around 150mm. Measuring your individual cat is more reliable than selecting by breed alone.
What does the 4-way lock do?
It provides four settings: free access, fully locked, in only and out only.
Is this a genuine PetSafe Staywell product?
Yes. This listing is for the PetSafe Staywell 420 Deluxe Magnetic Cat Flap.
Watch the Product Video
Watch the video below for an introduction to the magnetic collar key system and operation of the Staywell cat flap.
UK Delivery
UK delivery starts from £2.99, with free delivery on qualifying orders over £50.
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