Thermostat Lock Boxes, Covers & Guards

Thermostat Lock Boxes protect your climate control settings from tampering, vandalism, and unauthorized adjustments in commercial and residential spaces. These durable covers feature key or combination locks with clear visibility for easy monitoring. Choose from our wide selection of universal sizes and locking mechanisms – shop Jackson Systems for reliable thermostat protection today.

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Showing 49–54 of 54 resultsSorted by popularity

Honeywell 50022893-001 Cover Plate

Resideo

SKU: 50022893-001
$12.00
MSRP: $13.80
You save 15%
Honeywell 50022893-001 Cover Plate quantity
Honeywell 14002430-001 Thermostat Guard

Honeywell Home

SKU: 14002430-001
$294.68
MSRP: $338.88
You save 15%
Honeywell 14002430-001 Thermostat Guard quantity
Lennox 39P21 Universal Thermostat Guard

Lennox

SKU: 39P21
$74.15
MSRP: $85.27
You save 15%
Lennox 39P21 Universal Thermostat Guard quantity
Pro1 IAQ T150 Thermostat Guard

Pro1 IAQ

SKU: T150
$25.99
Pro1 IAQ T150 Thermostat Guard quantity
Johnson Controls SHL10A-603R Sun Shield For A19 Series Remote Bulb Thermostat

Johnson Controls

SKU: SHL10A-603R
$63.01
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Clear Plastic Thermostat Guard Protection for Thermostats

Johnson Controls

SKU: GRD10A-606
Original price was: $82.99.Current price is: $70.82.
Johnson Controls GRD10A-606 Clear Plastic Thermostat Guard quantity