950 2½â-10â Modification Overview Production of the 950 (21/2â-10â) began in 1990 and was discontinued in 2004. Check Cover Removal Cover is o-ring sealed. Loosen…

709 2½ â-10â Modification Overview Production began in 1979 and is current. Lead free (LF) version was introduced in 2010. Check Cover Removal Cover is o-ring sealed.…

909 21/2â-10â Modification Overview Production began in 1979. The 909M1 (1989) for the 8â-10â sizes only. Downsized the RV and changed the housing from bronze to cast…

975 2½â-10â Modification Overview Production of the 975 (21/2â-10â) began in 1990 and was discontinued in 2004. Check Cover Removal Cover is o-ring sealed. Loosen…

2000CIV 2½ â-10â Modification Overview Production of the 2000CIV (Watts 709) began in 1998 and was discontinued in 2007. Check Cover Removal Cover is o-ring sealed.…

709DCDA 2½ â-10â Modification Overview Production began in 1979 and is current. Lead free (LF) version was introduced in 2010. Bypass for the 709DCDA: 1979-1991 (3/4â…