Fail-Safe Sealing: High-precision seat and disc components prevent steam valve leakage and downstream pressure creep

installing an inline surge protector is industry best practice to shield the sensitive electronics in the Eon motor module from transient voltage and lightning strikes

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 Fail-Safe Sealing: High-precision seat andUpgrade 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