![What are the code requirements for the discharge piping from a Temperature-Pressure Relief (TPR) valve at a water heater? What are the code requirements for the discharge piping from a Temperature-Pressure Relief (TPR) valve at a water heater?](https://www.howtolookatahouse.com/Blog/ewExternalFiles/WaterHeaterTPR.jpg)
What are the code requirements for the discharge piping from a Temperature-Pressure Relief (TPR) valve at a water heater?
Inspection Gator - TPR discharge piping MUST ALWAYS be piped in a downward or horizontal direction to allow for proper drainage. Upward piping or "looped piping" allows water to remain in the
Is a discharge pipe required for a TPR valve (Ontario) | Terry Love Plumbing Advice & Remodel DIY & Professional Forum
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