Engineered for dependable gas-line performance, the Mr. Heater 1/4 in. D Brass Male Pipe Thread x Male Plug Excess Flow Male Plug delivers a compact, durable solution for capping or replacing vents in natural gas and propane systems. Crafted from robust brass with a gold-tone finish, this plug features a 1/4" male pipe thread on one end and a male plug on the other, designed for compatibility with standard fittings and hoses in Mr. Heater setups and other compatible equipment.
Its Excess Flow design adds a valuable safety margin by minimizing unrestricted gas flow during abnormal conditions, helping reduce the risk of unintended releases in portable heaters, grills, and other gas-powered appliances. The component is UL Listed, giving you confidence in meeting safety standards for residential use.
Key features
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Material: Brass construction with a durable gold/brass finish for corrosion resistance in outdoor and indoor environments
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Size and connection: 1/4" diameter with a male pipe thread x male plug configuration for standard compatibility
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Excess Flow design: Safety feature that helps limit gas flow under unusual conditions
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Safety certification: UL Listed for trusted, code-compliant use
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Applications: Suitable for natural gas and propane systems
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Packaging: Carded for retail display and easy handling
Why this matters for you
Whether you’re a DIY homeowner, technician, or professional installer, this excess flow plug provides a reliable, ready-to-use solution for temporarily or permanently capping off lines, replacing worn plugs, or securing unused ports. Its precise 1/4" male pipe thread ensures a snug fit with common fittings, while the brass construction stands up to the temperature and pressure conditions typical of gas systems. By combining durability, safety, and straightforward installation, it helps you maintain clean, leak-free connections with less downtime.
Ideal use cases
- Sealing unused or spare gas ports on grills, heaters, portable stoves, and other appliance lines
- Replacing damaged or degraded plugs in 1/4" gas connections
- Temporary closures during maintenance or servicing of natural gas or propane equipment
- Backup or replacement part for professional installations requiring a trusted, excess-flow-capable plug
Installation and best practices
- Verify that your connection is a 1/4" male pipe thread and that the plug’s dimensions match your fitting
- Apply an appropriate gas-rated thread sealant or PTFE tape to the male threads before assembly
- Tighten to the manufacturer’s torque recommendations without over-tightening
- After installation, perform a leak test (soapy water or equivalent) to confirm a secure, gas-tight seal
Care and safety tips
Inspect brass components for signs of wear or corrosion and replace if integrity is compromised. Keep the plug clean and free of debris to maintain a reliable seal and ensure consistent performance in varying environmental conditions.
Enhance the safety and reliability of your gas systems with the Mr. Heater 1/4 in. D Brass Male Pipe Thread x Male Plug Excess Flow Male Plug—a precise, durable, and safety-minded solution designed for natural gas and propane applications.
