The standard EFL is a thermal link only

This 1000 Ohm thermistor probe is engineered with a durable 15/150f nickel plated sensor housing to provide superior resistance against corrosion and moisture-heavy environments

technicians should inspect the filter during every annual preventive maintenance check

This model features a standard SAE 5/16 - 18 thread

The compact shell design allows for immediate HVAC system clean-up in tight spaces

Dwyer Instruments V4-2-U Flow Switch 340155-7024 The standard EFL is aThe Dwyer Instruments V4 2 U Flow Switch is a heavy duty vane operated flow switch designed for reliable protection against flow loss in critical HVACR and industrial pipelines. This Flotect V4 series model features a brass body machined from bar stock for leak proof integrity and a universal vane that is field adjustable to accommodate pipe sizes from 1. 5 inches up to 20 inches. Utilizing a unique magnetically actuated switching design, this unit