System Protection: Acts as a primary safety boundary

Safety Isolation: Provides clear visible indication of circuit status for enhanced technician safety

the unit features a synchronous drive that ensures a constant 30-second travel time (at 60 Hz) regardless of the load

which provides superior resistance to corrosion and scaling compared to standard brass components

Setscrew Locking: 120-degree setscrew positioning optimizes shaft holding power and balance

Tekmar Controls 152 Control L99H008 System Protection: Acts as aUpgrade your system precision with the Tekmar Controls 152, a veteran preferred two stage setpoint control designed for versatile HVAC application integration. Operating on 24Vac dc power, this microprocessor based unit provides reliable single setpoint control or dual independent stage operation, making it a critical tool for hydronic boiler staging, cooling interlocks, or domestic hot water management. With a wide operational range of 40 to 239F, it