Common Questions & Technical Insights What are the symptoms of a failing HK06NB124 switch

It is highly recommended to install a 3-amp inline fuse on the secondary side to protect the new transformer from repetitive high-amp draws

preventing accidental unit activation during service

the top-guided stem and non-stick PTFE-coated disc seating prevent scale buildup

This 18-1/2 inch gasket is designed for specific chassis sizes

Johnson Controls F261KFH-V01C Switch Els PW 17895 Common Questions & Technical InsightsThe Johnson Controls F261KFH V01C Flow Switch is a high precision, inline low flow switch designed for heavy duty HVACR and industrial liquid monitoring. Featuring 3 4" FNPT inlet and outlet connections, this unit acts as a direct replacement for the F61KD 4 and F61KD 4C models. Built with a rugged NEMA 3R enclosure to protect against rain and ice formation, it is suitable for both indoor and outdoor liquid lines carrying water, ethylene glycol, or