Bypassing a safety limit is non-compliant with safety standards and can lead to catastrophic equipment failure or fire

The first two digits of the serial denote the week

Common Questions: How do I verify if my Trane limit switch is faulty

The integration of an MMI display allows technicians to monitor the opening degree and adjust parameters directly on-site without external tools

galvanized materials to withstand harsh exterior conditions while maintaining consistent exhaust and intake airflow

Laars Heating Systems V0049900 Valve 320074-702 Bypassing a safety limit isThe Laars Heating Systems V0049900 Valve is a 1 inch, 24V combination natural gas control designed for high demand hydronic applications. This OEM Laars replacement part is engineered specifically for Mighty Therm boiler models, specifically the 325 400 series (including HH, PH, VW, and PW configurations). Operating with a 4" WC manifold pressure, this valve ensures precise fuel regulation and consistent ignition cycles in commercial and residential