• SentrySafe Fire/Water Digital Safe: Model EF3428E

  • EF3428E Fire/Water Digital Safe is rated 4.3 out of 5 by 88.
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  • XX-LargeModel EF3428E
  • Interior Capacity 3.39 cu.ft. cubic ft
  • Buy Now
    Free Shipping
    Orders from SentrySafe can only be shipped to the contiguous United States.
  • Price Range: $400-$800
  • Security Protection Security Protection
  • Fire Resistant Fire Protection
  • Water Resistant Water Protection
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  • ETL Verified Endurance

Top of the Line Protection

  • Fire Protection

    ETL Verified to protect your valuables in a fire for 1/2 hour up to 1400°F (760°C)

  • Water Protection

    ETL Verified protection for your valuables in up to 12 inches of water for 72 hours

  • Security Protection

    More Information

    2-4 live-locking bolts, solid steel construction and pry-resistant hinge bars provide our best protection from forced entry and tool attacks


The SentrySafe Executive Digital Safe EF3428E is designed to preserve your records and valuables with added security and peril protection. ETL Verified fire endurance protection for documents, records, and valuables provide peace-of-mind that your items are safeguarded when the unexpected happens. This safe also offers a programmable digital lock for added security and interior shelves to keep your items organized.


Digital Lock

This battery-powered digital locking system uses a programmable 1-8 digit code. Multiple user options vary by model.

7 oversized bolts

Provide advanced protection from forced access

Steel Construction

Solid steel construction for durable and reliable protection.

Soft Interior Lining

Ensures your fragile or delicate valuables are protected from scratches.

Bolt Down Hardware

Ensures thieves cannot easily remove the safe from your home or office.

California DOJ Certified

Department of Justice California DOJ Certified for firearm storage and protection


  • Exterior Size

    27.8 in H X 21.7 in W X 19.0 in D

  • Interior Size

    25.8 in H X 19.4 in W X 11.7 in D

  • Capacity

    3.39 cu.ft.

  • Lock Type


  • Peril Type

    Security, Fire, Water

  • Weight

    163 lb

  • Exterior Material

    Steel-Cased Fire Insulation

Note: All dimensions and weights provided are approximate, and are subject to change without notice.

Add Interior Accessories

Customize your safe to fit your needs.

View All Accessories


  • Product Manual

    Download the latest owner’s manual for this product.

    View Product Manual
  • FAQs

    Find answers to the most frequently asked questions.

    View FAQs
  • Videos

    Guides to safe setup, troubleshooting, and other support needs.

    View Videos
Rated 3 out of 5 by MCOOPER from ONLY WATERPROOF IF BOLTED TO NON FLAMMABLE FLOOR For the price point the safe seems to be of good quality. I got it without knowing that the only way it could be water proof is if it were bolted to a concrete floor. The only place I can put my safe is in the basement, and if there were a fire hope the basement filled with less than 12" of water. If this were to be bolted to wood you run the risk of the wood burning off of the anchors which would then allow water, heat and gases to penetrate the inside as the anchors would then be loose on the inside of the safe. The install instructions do not address this...
Date published: 2019-03-03
Rated 5 out of 5 by Ernie A from It has a key!!! The best thing about this safe is it has a key to open it. The last safe I had the electronic keypad broke so I couldn't open it.
Date published: 2018-10-14
Rated 2 out of 5 by JimKay from Physically too difficult to lock Its the right size, supposed to provide protection from fire and water... just what we were looking for. BIG unresolved problem is the level of difficulty in latching the door. When we called, we were advised to lay it on its back, force it closed and put something heavy on it overnight. We did so. Worked for one day. Last attempt to close it took two of us, wedging against the door and the wall to get it latched. What hood is a safe with fire and water protection if one cannot close the door?
Date published: 2019-08-04
Rated 1 out of 5 by Laurie Corbett from Door Handel became disengaged and not operable!!! Last night I went to open my Sentry Safe and the door handle became disengaged and I could not open my safe!!!!
Date published: 2018-12-19
Rated 4 out of 5 by rx2476 from Good deal, thankful for customer service Perfect size safe...170 pounds is nice and heavy and able to be placed in areas where it will take some time to move. Comes with bolts to secure to floor. My safe arrived and the digital combination keypad had a problem where it wouldn't open so the customer service team walked me through steps of cleaning battery terminals trying different sets of batteries then to finally ordering a part to replace. The safe comes with a key so thankfully I can still use it. I wish the safe was working the way it should when I received it. I am now waiting for 2 months for the part to come in. Kind of a pain to use the key b/c I have to remove the keypad each time.
Date published: 2022-06-25
Rated 2 out of 5 by Luluodetola from Strong I find this safe very strong. However I am unable to open it as the lights are no longer coming on and I have no idea how to use the key
Date published: 2019-06-19
Rated 1 out of 5 by Jackie28 from Handle broke and no customer support The handle snapped off while I was trying to open the safe. I reached out to customer support assuming they’d provide some help, but nope. Now I’m stuck with a safe I can’t open that has valuable items in it.
Date published: 2020-03-27
Rated 5 out of 5 by Jimmy J from Great Household Safe! Actually, I have 2 of this safe. One I bought a few years ago and the other recently. The size and function of the safes fits my needs and space and offers good protection for my environment. FWIW ... I supplement the safe's fire rating with fireproof bags and satchels for the most valuable documents and other small items. My only comment for improvement is to make the instructions for use a bit more clear ... for example the number of pass codes available and the use of codes for other entry.
Date published: 2019-09-26
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