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This linear valve actuator coupler is constructed from a robust blend of industrial-grade plastic
oil-filled dielectric fluid within a robust aluminum housing for superior thermal dissipation and pressure-sensitive internal protection
it ensures precise airflow to maintain proper pressure switch closure and safe flue gas extraction
Contractor Grade: Built to withstand the high-cycle demands of residential and light commercial heating and cooling systems
What is the lead length and physical size
Laars Heating Systems 2400-110 Stack Switch 320734-701 This linear valve actuator couplerThe Laars Heating Systems 2400 110 Stack Switch is a critical exhaust temperature sensor designed for commercial and residential boiler systems. As an OEM Laars replacement part, this bimetallic stack relay monitors flue gas temperatures to provide essential furnace safety control. Engineered specifically for Mark II H Series (sizes 60 130) and Mark II 9600 models (HWG & CB, sizes 150 250), it ensures the burner only operates when a safe draft and
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