Accuflex Propane Vapor Hose | 451-06 | 3' | 1/2"F SAE × 3/8"M NPT

Genuine Accuflex 451-06 LPG Vapor Hose (1 PSI Max, 3 feet). Low-pressure propane vapor hose with 1/2" female SAE swivel × 3/8" male NPT fittings — the correct hose for connecting Suburban and other RV furnace propane inlets on the vapor side of your propane system. Made in Canada.

⚠️ Low-Pressure Vapor Hose — Category #1, 1 PSI Max

Critical safety detail: the 451-06 is a Category #1 low-pressure vapor hose rated for 1 PSI maximum. It is designed for the vapor side of your propane system (after the regulator) — NOT for high-pressure liquid propane applications before the regulator.

Do NOT use this hose on the high-pressure side of your propane system.

Fittings and Length

• Length: 3 feet
• Inlet: 1/2" Female SAE Swivel
• Outlet: 3/8" Male NPT

Common Use Cases

The 451-06 is commonly used to connect:

• RV furnaces to propane lines (frequently paired with Suburban furnaces)
• Water heaters
• Other low-pressure vapor propane appliances

Made in Canada

⚠️ Cosmetic Note — May Show Metal Patina

The metal fittings may show some patina. Cosmetic only — does NOT affect gas sealing or function.

⚠️ Professional Installation Required

Involves working with the RV propane gas system. Improper installation is a fire and explosion risk. Installation should be performed by a qualified RV service technician. Always leak-test connections after installation.

Genuine Accuflex

Key Features

• Genuine Accuflex 451-06 LPG vapor hose
• Low-pressure Category #1 — 1 PSI Max
• 3-foot length
• Fittings: 1/2" Female SAE Swivel × 3/8" Male NPT
• Made in Canada
• Commonly used with Suburban RV furnaces
• May show some metal patina on fittings (cosmetic only)

Specifications

• Brand: Accuflex
• Part Number: 451-06
• Type: LPG (Propane) Vapor Hose — Low Pressure
• Category: #1 (Low Pressure)
• Max Pressure: 1 PSI
• Length: 3 feet
• Inlet Fitting: 1/2" Female SAE Swivel
• Outlet Fitting: 3/8" Male NPT
• Application: Vapor-side propane connections for RV furnaces, water heaters, low-pressure appliances
• Country of Origin: Canada
• Cosmetic Note: May show metal patina on fittings (does not affect function)