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The AY McDonald gasket, model 4820-187, is essential for creating a secure seal on natural gas meter fittings. Designed for use with malleable iron offset or straight fittings, this gasket ensures reliable performance during installation.
This gasket is resistant to natural and manufactured gases, ensuring durability and reliability.
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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