Marshall Excelsior Co. ME517 Type 1 QCC Propane Hose Connector with Black Handle

The Marshall Excelsior ME517 is a Type 1 (QCC) propane hose connector featuring a 1-5/16 inch female ACME inlet connection and a 1/4 inch male NPT outlet. This connector is designed for secure propane connections on RVs, marine applications, and portable propane appliances with a flow capacity of 100,000 BTU and 50 SCFH air.

Safety Features:

• Built-in excess flow valve prevents gas flow until the connector is fully engaged
• Thermal protection device melts in case of fire, allowing the nipple to disengage and stop propane flow
• Positive shutoff mechanism ensures gas does not flow until properly connected
• Back check seal at disconnect prevents propane in the hose from releasing into the atmosphere

Specifications:

• Inlet: 1-5/16 inch Female ACME (Type 1 QCC thread)
• Outlet: 1/4 inch Male NPT
• Flow Capacity: 100,000 BTU / 50 SCFH Air
• Material: Brass construction
• Handle Color: Black
• With shutoff valve

This Type 1 QCC connector replaces POL connections on 40-pound or less DOT propane cylinders. To connect, close the cylinder valve and all appliance control valves, hand-tighten the QCC connector onto the cylinder, then slowly open the cylinder valve to avoid activating the excess flow device.