it provides technicians with precise valve control and a secure grip for adjusting airflow or fluid regulation

Featuring a rugged cast bronze body and brass trim

Features eight discharge holes for quiet operation and reduced pneumatic turbulence

Enhanced Durability: Heavy-duty internal switching components designed for high-cycle HVACR refrigeration environments

Tekmar Controls 518 Thermostat 319825-402 it provides technicians with preciseThe Tekmar 518 Thermostat is a professional grade, non programmable 24Vac one stage heat thermostat designed specifically for precision in hydronic radiant floor heating systems. Engineered to replace the legacy 507 and 508 models, this unit utilizes advanced Pulse Width Modulation (PWM) technology to eliminate the temperature swings common with standard on off controls, ensuring a stable thermal mass within the slab. The auxiliary sensor input offers