it provides reliable overpressure protection for commercial and industrial water heating equipment

and medium-to-low temperature refrigeration systems

this assembly is manufactured by Lau Industries to meet the exact airflow requirements of heavy-duty HVAC systems

this high-temperature control is a rugged solution for technicians requiring OEM quality HVACR parts for industrial cooking applications

Lochinvar & A.O. Smith 100208570 Limit 322057-301 it provides reliable overpressure protectionAs a veteran tech, you know that a nuisance trip is one thing, but a failed high limit is a direct threat to the heat exchanger. The Lochinvar & A. O. Smith 100208570 Limit is a critical safety component calibrated for a 175F high limit set point. This genuine OEM part, which is identical to TST2052, provides the precision needed to prevent runaway temperatures in residential pool heaters and water heaters. Designed with a 1 4 NPT connection, this 175