RV Gas Supply Parts & Accessories

Match the hose and regulator to your RV’s propane system: check required inlet/outlet thread sizes (e.g., 1/4" or POL), pressure rating (typically low-pressure for appliances, up to 11"–14" WC, or high-pressure for specific equipment), and compatibility with your cylinder type. Also confirm length needed, material (rubber vs. braided stainless), and any required safety certifications (CSA, DOT) for your region

Look for excess-flow or automatic-shutoff valves, flame-retardant or abrasion-resistant hoses, secure locking fittings or quick-disconnects, and certified regulators and fittings (CSA, DOT, or local equivalents). Properly rated pressure relief devices and leak-detection accessories are also important for safe operation

Simple replacements like changing a flexible hose or a cartridge regulator can be done by a competent DIYer following manufacturer instructions and using proper fittings, but any work involving gas line routing, hard-piping, or regulator adjustments is best done or inspected by a qualified technician to ensure leak-free connections and code compliance

Inspect hoses and fittings before each trip for cracks, bulges, corrosion, or loose connections; perform a soap-bubble leak test after making connections; replace rubber hoses every few years or at first sign of damage; and keep regulators and vents clean and free of debris

Carry a spare flexible hose and regulator suited to your cylinder, a brass adapter set for common thread types, a manual cylinder shutoff wrench, a gas leak detector or spray, and a replacement tank valve cover—these items help with common roadside issues and safe cylinder changes

Prices vary by component: basic hoses and adapters are commonly under $50, mid-range regulators and fittings fall between $50 and $150, and specialized or heavy-duty components can cost more; overall category averages are moderate, so plan around these ranges based on durability and certifications needed

Universal adapters can provide temporary convenience but must match the thread standard and pressure rating for the cylinder and appliance; use only adapters rated for propane and approved in your jurisdiction, and avoid permanent reliance on adapters that alter intended safety connections