Resideo - Honeywell Home L4029E1045 Limit ControlThe L4029E1045 fixed 240F limit control delivers reliable over temperature protection for heating equipment. It breaks on rise with a manual reset, ensuring a safe shutdown when temperatures exceed the set limit and a controlled restart only after cooling. This design minimizes heat stress on components and reduces the risk of dangerous conditions in your system. Designed for boilers, furnaces, and other heating applications, this limit control

Vertical cover design for wall mounting

low-resistance filtration that keeps indoor air clean without sacrificing airflow

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OEM replacement: Modine 3H0400780002

ensuring your system stays within safe operating parameters

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it features a bi-metal sensor

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it withstands heat and flexing in tight spaces while maintaining consistent electrical performance across seasons

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Durable valve body built for reliable HVAC and hydronic service