Cal. Code Regs. tit. 25, § 4522.7
Fuel-oil piping installed in conjunction with gravity feed systems to oil-heating equipment shall slope in a gradual rise upward from a central location to both the oil tank and the appliance in order to eliminate air locks.
Note: Authority cited: Section 18015, Health and Safety Code. Reference: Section 18025, Health and Safety Code.
1. New section filed 9-19-2011; operative 10-19-2011 (Register 2011, No. 38).