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The Hoffman 401475 is a steam air valve designed for efficient venting of convectors and radiators. This non-vacuum, disc-type valve features a built-in check valve. It allows for automatic venting without needing to remove the valve from the line for cleaning. The valve has a 1/8 inch NPT straight shank and operates under a maximum steam pressure of fifteen psi (1.0 bar).
This product is suitable for steam systems and fits various heating applications.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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