1 in OD x 48 in Flexible Gas Connector Kit - Weatherproof for Tankless

In this review the focus is on a ready-to-install flexible gas connector kit designed for tankless water heaters and similar high-demand appliances. The kit's single biggest reason to buy is its combination of a 1 in outer diameter, 48 in length stainless steel tubing with a patented SafeGuard yellow coating that makes it suitable for both indoor and outdoor use, offering corrosion resistance and straightforward installation. For homeowners or pros who need a durable, leak tested gas connection that includes fittings, valve and accessories, this review examines how well the kit performs and what to expect in real installations.

Key Features

• 1 in OD x 48 in tubing: Provides a long, flexible run for tankless water heaters and other high-demand appliances without awkward joints.
• SafeGuard yellow coating: Adds a weatherproof, anti-corrosion layer so the corrugated stainless steel tubing can be used outdoors or in exposed areas.
• Included brass fittings and valve: Comes with two brass fittings (3/4 in MIP tapped to 1/2 in FIP and 3/4 in FIP) plus a 3/4 in FIP gas valve to complete most installations.
• Complete installer accessories: Includes 4-mil PTFE sealant tape and a gas leak detector so you can assemble and test the connection on first install.
• Certified and tested: CSA certified for indoor and outdoor use and 100% leak tested for added safety and reliability.

Who It's For

This kit suits homeowners, HVAC technicians, and plumbers who need a professional-grade connector for tankless water heaters running on natural gas or propane. It is particularly useful when a longer, flexible run is required and when outdoor exposure or occasional cleaning might otherwise accelerate corrosion.

It is not aimed at low-demand small appliances that require smaller diameter connectors, nor is it intended for applications outside the CSA-approved scope. If an installation needs custom or rare fittings beyond the supplied brass adapters, buyers should confirm compatibility before purchase.

Pros & Cons

Pros

• Durable 1 in OD corrugated stainless steel tubing offers high flow capacity for tankless systems.
• SafeGuard yellow coating provides visible weatherproof protection and helps resist corrosion.
• Handy kit contents include fittings, a gas valve, PTFE tape and a leak detector for a single-purchase install.
• CSA certified and 100% leak tested, offering professional-grade reliability and a 10-year warranty backing.

Cons

• Some customers have reported occasional missing parts, so verify kit contents before installation.
• The kit includes specific 3/4 in fittings; installations needing different thread sizes will require additional adapters.

Specifications

Brand	PROCURU
Tubing OD	1 in (Blue Series)
Length	48 in (4 ft)
Fittings included	3/4 in MIP (tapped 1/2 in FIP) and 3/4 in FIP brass fittings
Gas valve	3/4 in FIP included
Certifications	CSA certified for indoor and outdoor use
Accessories	4-mil PTFE tape and gas leak detector included

Our Verdict

The PROCURU 1 in x 48 in flexible gas connector kit is a solid choice for anyone installing or replacing a supply line to a tankless water heater because it combines high flow capacity, weatherproof protection and a complete set of installation accessories. Its CSA certification, leak testing and 10-year warranty make it a good value for pros and homeowners who want a reliable, long-lasting connection; just inspect the kit on receipt to ensure all parts are present.

Frequently Asked Questions

Is this connector safe for outdoor use?
Yes. The tubing is CSA certified for indoor and outdoor use and features a SafeGuard coating for weather and corrosion protection.

What gas types is this kit compatible with?
The connector is approved for natural gas and propane (LPG) applications as indicated by the certification and product description.

Does the kit include everything needed to install?
It includes brass fittings, a 3/4 in FIP gas valve, PTFE tape and a gas leak detector, but installers should confirm the supplied thread sizes match the appliance and supply connections.