and high-rise applications

the NEMA 7/9 rating provides both explosion-proof and watertight integrity

Technicians should use a multimeter to check for continuity across the terminals when the system is under appropriate pressure

Direct supercession of the 1NP0442

Can this be used in potable water systems

Laars Heating Systems R2028200 Flow Switch 326058-756 and high-rise applicationsAs a veteran hydronic technician, you know that a failed flow switch can bring an entire commercial or residential system to a grinding halt. The Laars Heating Systems R2028200 Flow Switch is the primary replacement kit engineered to restore safety and functionality to your equipment. Specifically designed as a direct replacement for the obsolete 2400 542, this Laars boiler flow switch assembly ensures the burner doesn't fire without adequate water