Cartridge Summary Reference Sheet   
 
 
Monitor
®
 Series 1300/1400 
 
Cartridge shipped before March 2006. 
Cartridge shipped in July 2006 and after 
(prior to MultiChoice
®
 transition). 
Shorter lower 
housing 
 
White 
 
 
 
 
Blue or 
off-white 
Shorter lower 
housing 
 
White 
 
 
 
 
 
Blue 
Order RP19804 to replace cartridge. 
Order RP19804 to replace cartridge. 
Cartridge shipped from March 2006 to August 2014. 
Cartridge shipped in August 2014 and after. 
Longer lower 
housing 
 
Grey 
 
 
 
 
 
Off-white
 
Longer lower 
housing 
 
Grey 
 
 
 
 
 
Off-white
 
Order RP46074 to replace cartridge. 
Order RP46074 to replace cartridge. 
NOTE: A running change for MultiChoice
®
 13/14 valves began August 2014, and 
features a new Rotational Limit Stop. 
MultiChoice
®
 13/14 (Ceramic) 
Cartridge shipping in select models (-CER). 
Order RP74236 to replace cartridge.