NIBCO LD-2000-3 4" Butterfly Valve Els PW 17895 The external equalizer compensates for

The external equalizer compensates for any pressure drop through the evaporator coil

If your evaporator uses a distributor or has a significant internal pressure drop

which ranges from 1/4 to 4-5/16 inches for exact bracket seating

this 40VA transformer provides a stable power supply for thermostats

NIBCO LD-2000-3 4" Butterfly Valve Els PW 17895 The external equalizer compensates forThe NIBCO LD 2000 3 4" Butterfly Valve is a ductile iron lug butterfly valve engineered for precision flow control in commercial HVAC, mechanical, and industrial process applications. Built with a lead free ductile iron body and an EPDM molded in seat liner, this valve provides bi directional dead end service without the need for a downstream flange. Its bubble tight shutoff is rated for 200 PSI non shock cold working pressure, ensuring reliable