Specifically designed to meet the high demands of today's motorhomes, trailers and on demand water heaters. High Flow Type I (red nut) hoses are designed for those applications that require more than 200,000 BTU's. Designed with both excess flow and thermal link safety features. Connections: Female QCC, Type I Connection and 1/4" MNPT. 400,000 BTU capacityExcess flow safety shut-offRVIA and NFPA 1192 CompliantBrass ferrules1/4" ID High pressure thermoplastic hose100% Leak tested350 PSIG working pressure