Honeywell Fan Limit Switch 11 inch L4064B2210 barometer No special calibration steps —

No special calibration steps — allow a brief run-in in fresh air and follow the instrument prompts

Mastercool 90410 Flex Adapter — handy when you need to convert 1/4″ hose to 5/16″ on minisplits

2 x Pipe clamps for liquid line subcooling & suction line Superheat

This 1/2″ replacement head (MPN: 175EX08) drops onto your 175EX to expand tube ends for brazing or soldering — cutting out couplings

Easy Installation: Engineered for quick and hassle-free integration into existing HVAC and refrigeration systems

Honeywell Fan Limit Switch 11 inch L4064B2210 barometer No special calibration steps —This Honeywell Fan Limit Switch (L4064B2210) is a crucial safety component for Brivis ducted gas heaters, designed to protect the unit from overheating. It's a key part for HVAC techs, service teams, and competent DIYers maintaining residential heating systems to keep them running safely and efficiently. On a hot summer day, getting these older gas heaters back online often means troubleshooting safety limits, and having the right part on hand saves a