Masterlock SentrySafe Fire and Waterproof Security Chest

Masterlock SentrySafe Fire and Waterproof Security Chest

Brand Masterlock

From

£132.95

+ £6.95 delivery

2 offers at 2 retailers

Listed since 7 April 2026

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Description

The Masterlock SentrySafe Fire and Waterproof Security Chest is a large-capacity security storage solution designed to protect important documents, digital media and valuables from fire and water damage. This UL/ETL verified chest offers 30 minutes of fire protection for documents and digital items including CDs and USB sticks at temperatures up to 843°C, whilst also providing ETL verified water submersion protection against flood damage. The chest accommodates A4 paper size documents within its 18.5-litre interior capacity, making it ideal for safeguarding critical paperwork, certificates, and business records. The fire and water-resistant construction ensures your most valuable items remain secure even in extreme conditions. A programmable digital lock system provides secure access control with one resettable combination plus one non-programmable master combination. The digital lock not only prevents unauthorised access but also prevents the lid from opening during a fire event, ensuring contents remain protected. The unit requires a single 9V battery for operation (not included). Features and Benefits: • UL/ETL verified fire protection up to 843°C for 30 minutes • ETL verified waterproof construction for flood protection • Dual combination digital lock with master override • Large 18.5L capacity fits A4 documents • Lid lock prevents opening during fire events Specifications: Safe Type: Fire & Water Exterior Dimensions (H x W x D): 35.9 x 42.1 x 35.1cm Interior Dimensions (H x W x D): 29.5 x 30.5 x 20.6cm Interior Volume: 18.5L Power: 1 x 9V Battery (not included) Weight: 19.5kg

Full specifications

Marque Masterlock
Référence fabricant fhw40300eurhro
Features And Benefits &bull
Ring Fire Events Specifications Safe Type: Fire & Water Exterior Dimensions (H x W x D): 35.9 x 42.1 x 35.1cm In
Cm Interior Volume 18.5L Power: 1 x 9V Battery (not included) Weight: 19.5kg

Masterlock SentrySafe Fire and Waterproof Security Chest: complete technical analysis for 2026

The Masterlock SentrySafe Fire and Waterproof Security Chest meets the expectations of buyers who want a quality product without paying over the odds. Thanks to our comparison tool, find the best offer among all partner retailers listed on Compiral. The trust rating shown for each retailer helps you choose a reliable shop with clear return conditions and responsive customer service. If you are unsure, also check the Masterlock Steelcor Bungee Cord from the same brand. A good price comparison can save you between 10% and 30% on your purchase depending on the time of year and available retailers.

Who is this Bricolage & Outillage for?

The Masterlock SentrySafe Fire and Waterproof Security Chest benefits from the expertise of Masterlock in this category. Its design meets current market standards and satisfies even the most demanding users in their everyday activities. The brand's reliability translates into positive feedback from regular buyers, who particularly appreciate the consistency between the promises of the product sheet and the real-world experience. For the Bricolage & Outillage category, this is an option we recommend without hesitation.

For intensive or occasional use

The Masterlock SentrySafe Fire and Waterproof Security Chest adapts to different levels of use in the Bricolage & Outillage category. Whether you use it intensively every day or more occasionally, this Masterlock product offers appreciated versatility. Regular users value its reliability over time, while occasional users appreciate how easy it is to pick up without any special training. For even more demanding use, also check the Masterlock Steelcor Bungee Cord.

Against the competition

In the Bricolage & Outillage market, the Masterlock SentrySafe Fire and Waterproof Security Chest is well positioned thanks to its price from £139.9 and the strength of Masterlock. Our comparison tool lets you verify in real time whether this positioning still holds against other available offers.

Market price ranges in 2026

RangeIndicative price
Entry-levelUnder 2570 £
Mid-range2570 £ to 6000 £
High-endOver 6000 £

The best times to buy the Masterlock SentrySafe Fire and Waterproof Security Chest at a lower price are Black Friday in November, the January sales and the summer sales in July. Our price history lets you judge whether the current price is a genuine bargain or whether it is worth waiting a few weeks. Outside these periods, flash promotions remain frequent among Compiral's partner retailers.

Frequently asked questions about Masterlock SentrySafe Fire and Waterproof Security Chest

How does the Masterlock SentrySafe Fire and Waterproof Security Chest compare to competitors in the Bricolage & Outillage category?

In the Bricolage & Outillage category, the Masterlock SentrySafe Fire and Waterproof Security Chest occupies a specific market segment. Compared to other available models, it stands out mainly through the balance between its features and its price. To compare objectively, consult the detailed spec sheet on this page and compare specifications with other similar products listed on our comparison tool.

Is the Masterlock SentrySafe Fire and Waterproof Security Chest suitable for beginners?

Yes, the Masterlock SentrySafe Fire and Waterproof Security Chest is generally appreciated by both beginners and regular users of the Bricolage & Outillage category. It is quick to set up and Masterlock usually provides clear documentation. If you are new to this product category, consult the spec sheet on this page to identify the key criteria to check before making your choice.

Is there a refurbished version of the Masterlock SentrySafe Fire and Waterproof Security Chest?

Refurbished versions of the Masterlock SentrySafe Fire and Waterproof Security Chest may be available from certain Compiral partner retailers. These refurbished products allow you to save between 20% and 40% compared to the new price while still benefiting from a warranty. Check availability in our offers table and review the warranty conditions offered by the retailer.

When do prices for the Masterlock SentrySafe Fire and Waterproof Security Chest drop during the year?

Prices for the Masterlock SentrySafe Fire and Waterproof Security Chest typically drop during Black Friday (November), the January sales and the summer sales (July). Promotional deals are also common around Cyber Monday and the holiday season. Our price history lets you spot trends and assess whether a price drop is likely soon in the Bricolage & Outillage category.

Is delivery free for the Masterlock SentrySafe Fire and Waterproof Security Chest at all retailers?

Free delivery is not guaranteed for the Masterlock SentrySafe Fire and Waterproof Security Chest at every retailer. Some include it in their price, others charge separately. On Compiral, use the free delivery filter to display only offers with free postage. The total price shown in our table always includes delivery costs for a true cost comparison.

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