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Pick up a thermostat guard from Grainger to protect your thermostat from undesirable environmental conditions and unauthorized personnel. Mount universal thermostat guards horizontally or vertically. They are designed to protect virtually any thermostat. Choose from clear, off white, tan, beige and polished stainless steel finishes. High impact plastic probe resistant models feature a double wall design to prevent tampering. The 304 stainless steel thermostat guards offer longevity and durability, even in humid or corrosive environments. Find the thermostat guard that fits your needs and decor at Grainger!Close