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Figure 9 – Single Boiler Space Heating
FIGURE NOTES:
1. This drawing is meant to demonstrate system piping concept only.
2. Installations must comply with all local codes.
3. Install a minimum of 12 diameters of straight pipe upstream of all circulators.
4. Install a minimum of 6 diameters of straight pipe up and downstream of all closely spaced tees.
5. The minimum pipe size for connecting a Mod Con boiler is 1 ½” for the 300 and 2” for the 500 and 850.
6. Piping shown is Primary/Secondary.
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