TRJ

TRJ 2-Piece Large Thermostat Lock Box with Key – Clear Lockable Cover for Wall Thermostats (Fits 5"H x 6"W or Smaller)

High-performance tools and home improvement made for confident daily results

$31.76

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Why customers choose TaskHolt Tools

Protect and simplify thermostat security with TRJ

Keep thermostat controls secure in busy homes and properties with the TRJ thermostat lock box. The tamper-resistant design combines sturdy construction with a reliable locking mechanism, helping deter unauthorized adjustments by children, guests, or tenants. The clear cover lets you glance at the display without unlocking, so you can monitor current temperature and settings at a moment’s notice. This two-pack provides flexible coverage for more than one thermostat in a single space.

Clear, durable protection

The lock box is crafted from robust PC plastic with anti-yellowing and UV-resistant properties. It stays clear over time, resisting daily wear and tear. This means long-term protection for your thermostat while preserving a neat, unobtrusive wall presence.

  • Transparent view of the thermostat display for quick checks
  • Chemically resistant and impact-tolerant construction
  • Low-maintenance, durable enclosure

Designed for universal compatibility

The enclosure measures 7" wide, 4.7" high and 2.1" deep, engineered to accommodate most thermostats around 5" x 6" or smaller. It is suitable for homes, apartments, schools, offices, restaurants, hotels, and rental properties, ensuring secure protection across spaces while keeping access available to authorized users.

  • Wide compatibility with common thermostat models
  • Ideal for residential and commercial environments

Preserve temperature precision

Inside, precision grooves on all four sides help ensure the thermostat reads accurately. The design minimizes interference or obstruction, so your heating or cooling system can function as intended while staying protected behind the cover.

Fast, hassle-free installation

Installation is quick and simple. All necessary mounting hardware is included, and you can mount the lock box without removing the thermostat. Some models may require off-center mounting to access the battery door, but the process remains straightforward for most setups.

Two lock boxes for households and property managers

This product ships as a two-pack, giving you two secure covers for one or more thermostats. The included keys provide controlled access, while the durable construction delivers ongoing protection across spaces like homes, apartments, offices, or common areas.

FAQ

Q: What thermostats does the TRJ lock box fit?

A: It measures 7"W x 4.7"H x 2.1"D and fits most standard wall thermostats and HVAC systems.

Q: Is installation difficult?

A: No. The kit includes mounting hardware and can be installed without removing the thermostat; some models may require off-center mounting for access.