Engineered for reliable boiler servicing, the Arrowhead 1/2 in. FIP MHT Brass Boiler Drain delivers a durable, leak-resistant solution for flushing and draining hot-water systems. Built from lead-free brass, this drain valve stands up to the heat and pressure of everyday boiler maintenance while maintaining a secure seal that lasts.
Key design points that set this unit apart include its practical end-to-end configuration: a 1/2 in. FIP (Female Iron Pipe) connection on one side and a MHT (Male Hose Thread) connection on the other, enabling straightforward hookup to your boiler drain port and a hose for controlled draining.
Why this Arrowhead boiler drain stands out
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Brass construction delivers excellent durability, corrosion resistance, and long service life in hot-water environments.
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Lead-free material prioritizes safer operation and peace of mind for systems handling hot water.
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Clear, practical connections—1/2" FIP to MHT—so you can quickly attach a hose and direct drainage where you need it.
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Designed for real-world use with a maximum pressure rating of 125 psi and a maximum temperature of 180°F, making it suitable for common residential boiler setups.
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Compact, non-frost-proof, non-anti-siphon design tailored for straightforward indoor boiler drainage applications.
Specifications at a glance
- Material: Brass (Lead-Free)
- End 1 Type: FIP (Female Iron Pipe)
- End 1 Size: 1/2 in
- End 2 Type: MHT (Male Hose Thread)
- Maximum Pressure: 125 psi
- Maximum Temperature: 180°F
- Finish: Brass
- Packaging Type: Bulk
- Product Type: Boiler Drain
- Frost-Proof: No
- Anti-Siphon: No
Use cases and ideal applications
Perfect for residential boilers and hydronic systems requiring a reliable drain valve. Attach a standard hose to the MHT end to safely direct hot water away from components during routine servicing, purge cycles, or system flushing. Its 1/2" FIP connection ensures compatibility with common piping setups, while the brass body resists the stresses of repeated heating and cooling cycles.
Installation tips for best results
- Ensure the FIP end is clean and threads are free of debris before installation. Use appropriate thread sealant capable of withstanding boiler temperatures.
- Attach a hose to the MHT end and secure it to a safe drainage location before opening the drain to avoid splashing.
- Check for leaks after initial use and periodically during routine maintenance intervals to maintain a tight seal.
Who should consider this boiler drain
Ideal for homeowners performing DIY boiler maintenance, HVAC professionals stocking essential service parts, and plumbers who need a dependable, lead-safe drain connection for residential hot-water systems. If you need a straightforward, durable 1/2" FIP to MHT drain solution that stands up to heat and pressure, this Arrowhead boiler drain is a practical choice.
