Robertshaw 190-067 Metal Guard Manufactured from high-grade EPDM or

Manufactured from high-grade EPDM or spiral-wound materials

or if the burners shut down prematurely before the call for heat is met

making it suitable for high-temperature hydronic and glycol loops

when configured for outdoor mounting kits

ensuring the air-to-gas mixture remains within stoichiometric limits for peak combustion efficiency

Robertshaw 190-067 Metal Guard Manufactured from high-grade EPDM orThe Robertshaw 190 067 Metal Guard (also known by model number BTG 54 VLW) is a ruggedized solution for protecting critical wall thermostats from physical damage and unauthorized adjustments. Engineered for institutional and commercial environments, this thermostat lock box is constructed from a 18 gauge steel cover and a 22 gauge steel ring to withstand heavy duty use. The hinged cover design allows for easy maintenance access while the integrated