Description
The Little Giant 599063 Brass Check Valve VCMA Series is a one-way flow control valve used in a condensate removal system to prevent backflow of discharged water into the pump in HVAC systems. It features a 1/4″ MNPT inlet, and a 3/8″ OD tubing outlet allowing connection to rigid plastic or copper discharge lines commonly used in a condensate pump. It is installed on series condensate pumps in air conditioning, furnace, and dehumidifier drainage setups where condensate evacuation is required. The component operation as part of the condensate discharge assembly ensuring directional flow protecting the pump from backpressure.









