Henry Technologies LI-3 Sight Glass 318172-701 and—with the addition of a

and—with the addition of a 500-ohm resistor—4-20 mA current loops

What is the trial-for-ignition time

eliminating the need for field modifications while restoring the unit to original factory HVACR technical specifications for safety and fuel efficiency

It effectively replaces legacy part numbers HK42FZ018

Henry Technologies LI-3 Sight Glass 318172-701 and—with the addition of aThe Henry Technologies LI 3 Sight Glass is a high performance liquid indicator engineered for precise visual monitoring of refrigerant flow and moisture levels. Constructed with a plated steel body and a hermetically fused glass lens, this component is built to withstand rigorous industrial environments. It supports refrigerant flow monitoring across various systems, facilitating the early detection of moisture contamination and inadequate pressure.