Transmitter w 1,000 Ohm RTD, Duct, 4", NEMA 3R Enclosure, Potted Board, 4 20mA Output TIWA1B2 A 1005 7 UNION TEE 1 2 TB Rango de Presion:0 a 1" w.c. A 1005 7 UNION TEE 1 2 TB NPT 2 Way 60 GPM Plated Brass Trim DCA Profile On Off(Fail Open) 24 Vac 000 Ohm RTD Potted Board