Description
Parker 309402, is a precision instrument designed to monitor pressure levels in industrial refrigeration systems using R717 (ammonia), ensuring safe and efficient operation. With a pressure range of 30–300 PSI and a 1/4" NPT connection, this gauge offers reliable performance and easy installation in a variety of refrigeration setups. Its durable construction and clear dial make it ideal for demanding environments, helping technicians maintain optimal system conditions and prevent costly downtime.
