While the board itself is highly durable

do not exceed 60 inch-pounds on the 5/16" contact terminals and 12-18 inch-pounds on the #10-32 coil terminals

Manual Reset Safety: Prevents automatic equipment restarts after a pressure trip

Does this include the external wiring

Honeywell EC-FX-NH3-HR Replacement Ammonia Cell 30067439-890 While the board itself isThe Honeywell EC FX NH3 HR is a high resolution electrochemical sensor designed specifically for the EC FX NH3 ammonia gas detector. Engineered to handle dual range detection, it monitors concentrations of 0 500 ppm and 0 1000 ppm with high precision in harsh industrial refrigeration environments. As the direct replacement for M 507975, this cell ensures seamless mechanical and electrical compatibility during scheduled maintenance cycles. This