Liquid Check Valve Retrofit Kit to Replace LM0020 LM0011-R

The LM0011-R is a 5 pound check valve retrofit kit. This is used as a replacement for the LM0020. This goes between the liquid pump and the brass needle valve on 2012 and older Landmark foam markers. This goes between the brass needle valve and the solenoid on 2013 and newer Landmark foam markers.