Johnson Controls V46BD-2 Regulating Valve 30067439-890 What does 'Normally Closed' mean

What does 'Normally Closed' mean for this solenoid valve

thermostat inputs

Wide Angle Visibility: Features a large

and 277V primary inputs

verifying the pull-in voltage and orifice seating of the Reznor 122845 is standard procedure

Johnson Controls V46BD-2 Regulating Valve 30067439-890 What does 'Normally Closed' meanThe Johnson Controls V46BD 2 is a heavy duty, direct acting water regulating valve engineered specifically for maritime and corrosive environments. Designed to modulate water flow to lead side condensers, this 1 inch NPT water regulating valve responds directly to refrigerant pressure increases to maintain stable head pressure. Built with a maritime type cast naval bronze body and Monel interior parts, the V46BD 2 is resistant to the aggressive