HTP PHR199-55C - Manual (Page 30)

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LP- 325 REV. 3.21.14
Figure 11 – Versa-Flame with Re-Circulating Line
NOTES:
1. This drawing is meant to show system piping concept only.
Installer is responsible for all equipment & detailing required by local codes.
2. A mixing valve is recommended if the DHW temperature is set above the factory setting of 119°F.
3. Install a minimum of 12 diameters of straight pipe upstream of all circulators.
4. A pressure relief valve or T&P valve may be required. Check with local codes.
5. This drawing refers to DHW piping only. For Central Heating piping, please refer to Part 5, Section L.
6. Winterization: When winterizing, pump a small amount of food grade glycol, FDA rated as GRAS (Generally Recognized As Safe) into the brazed
plate heat exchanger.
7. In Massachusetts, a vacuum relief valve must be installed on the cold water line per 248 CMR.
8. Recirculator pump must be sized to flow 0.6 GPM or greater to the appliance.