Enhanced System Efficiency: Optimizes free cooling cycles

Can this replace a module with a different TFI (Trial for Ignition) time

Dual Frequency: Rated for both 50Hz and 60Hz utility power

Compact Integration: Lightweight 0

Barksdale EPD1H-AA3 Switch R-407C Enhanced System Efficiency: Optimizes freeThe Barksdale EPD1H AA3 is a high performance diaphragm pressure switch designed for precision control in low pressure applications. Engineered with a housed NEMA 4 enclosure and an integrated J box, this unit provides robust protection for electrical connections in demanding mechanical environments. It features a reliable single setpoint configuration with an adjustable range of . 22 to 3 psi, making it an ideal choice for HVAC blower monitoring,