MB Sturgis 100575-48-MBS RV Propane Pigtail 4 Foot Type 1 Inverted Flare

The MB Sturgis 100575-48-MBS is a 4-foot (48-inch) RV propane pigtail hose designed to connect propane tanks to two-stage regulators on recreational vehicles, trailers, and dual-tank LP systems. This essential connection component ensures reliable fuel delivery to all your RV appliances and systems.

Key Features:

• Type 1 ACME Connection: Features an RV Type 1 ACME nut fitting on the tank end for secure connection to modern LP cylinders
• 1/4-inch Male Inverted Flare: Regulator end has a 1/4-inch male inverted flare fitting compatible with dual-stage automatic changeover regulators
• Built-in Back Check Valve: Prevents hazardous backflow leakage and is ideal for dual-tank configurations
• High Flow Capacity: Supports up to 450,000 BTU per hour maximum flow rate before bypass mode activation
• Thermo-Rubber Construction: Flexible rubber hose material resists stiffening for extended service life and easier installation
• Safety Features: Includes 260-degree thermal shut-off device; Type 1 connector enters bypass mode if flow exceeds capacity
• Certified: UL 569 Hose Assembly and ANSI Z21.81 Type 1 compliant for LP gas use only

Important Note: Most regulators use 1/4-inch NPT threads, so if your regulator doesn't have the brass adapter inserts already installed, you may need adapter fitting MB Sturgis 204120-MBS to convert from NPT to inverted flare. Temperature range: -40°F to 140°F.

This pigtail is commonly used in dual propane tank systems where automatic changeover regulators manage fuel supply from two cylinders, ensuring uninterrupted service to your RV's furnace, water heater, stove, and refrigerator.