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LP- 428 REV. 9.2.14
Figure 9 – Single Boiler Space Heating
FIGURE NOTES:
1. This drawing is meant to demonstrate system piping concept only.
2. Install a minimum of 12 diameters of straight pipe upstream of all circulators.
3. Install a minimum of 6 diameters of straight pipe up and downstream of all closely spaced tees.
4. Piping shown is Primary/Secondary.
5. The minimum pipe size for connecting a Mod Con boiler is 3” minimum for both the 1000 and 1700 models.
6. System flow (Secondary Loop) must be greater than the boiler’s Primary Loop flow.
7. Installations must comply with all local codes.