Honeywell Thermal Solutions FSG L4079B1058 Pressure and Limit ControllerHoneywell Thermal Solutions FSG L4079B1058 Pressure and Limit Controller delivers precise protection for boilers, air handling units and process lines. This differential pressure switch uses a diaphragm type operator to monitor pressure changes and trigger a safe shutoff on rise, ensuring reliable safety interlocks in demanding environments. Designed for air, gas, and fluid media, it operates from 5 to 50 PSI with a 10 PSI differential, making it

it stands up to demanding environments

and factory pre-charged air

Reliable electrical connection for steady performance

This diaphragm gas valve is solenoid operated for reliable startup and shutdown

making it ideal for tight-flow control and energy-efficient shut-off in commercial environments

Engineered with durable components and compatibility in mind

protect your HVAC cabinet

4 for stable modulation and response

the unit provides steady flow

Improve sealing integrity and reduce leaks while maintaining optimal airflow for industrial air intake systems

and high airflow loads

Whether you're upgrading motor drives