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The RINNAI ARR40-306 Thrml Snsng Spring Stop Rinnai is an OEM part designed for thermal sensing stopper applications. This part is a genuine replacement component. It measures 3.0 x 3.0 x 0.2 inches and is used with thermal sensing stoppers.
Genuine RINNAI replacement part for thermal sensing stopper applications. Ensures proper fit and function.
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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