Spark Ignition Compatible: Seamlessly integrates with 24VAC spark-to-intermittent pilot control boards for rapid system response

This 135°F fixed temperature and rate-of-rise heat detector utilizes two independent circuits to trigger both local alarm systems and auxiliary devices like fans or door closers

this OEM replacement coil is designed to withstand harsh operating environments where heat

Precision Scheduling: Minimum 1-minute switching increments and 2-second pulse feature for bell ringing or mechanically held contactors

Reusing an old elastomer that has been compressed and heat-set often leads to leaks once the assembly is re-torqued

McDonnell & Miller 194-7B Controller R-410A Spark Ignition Compatible: Seamlessly integratesThe McDonnell & Miller 194 7B (Part Number 167200) is a rugged, industrial grade Combination Low Water Cut Off and Pump Controller designed for high pressure steam applications. Built to manage steam boilers with a maximum pressure of 250 psi, this unit utilizes No. 7B proportional control via a built in potentiometer switch. This configuration is essential for modulating feed valves, ensuring precise water level maintenance and preventing dry fire