3", 4", 6", 8", 10"
This model is a reduced pressure detector assembly. The Model 18 was produced from 1989-1990. The Model 18-4 began production in 1991 and was discontinued in 2003. The Model 18 utilized a mainline assembly similar to the RP1EX. The Model 18-4 utilized an assembly similar to the RP4. The serial number of the main assembly is needed to order certain repair parts. The bypass assembly was either the Cla Val RP2 or the Wilkins 975 XL.
Common repair parts are a very small subset of the 10,000 plus items BAVCO stocks.
Please feel free to contact us direct at 800-458-3492 for pricing on items not listed
or backflow prevention devices.