7.6.1.11. Thermal Expansion

(1)

Where thermal expansion can occur, protection shall be provided for

(a)

check valves required by Article 7.6.1.5.,

(b)

backflow preventers required by Sentence 7.6.2.1.(3), and

(c)

pressure-reducing valves required by Article 2.6.3.3.

(See Note A-7.6.1.11.(1))