Gas-fired boilers not exceeding 100 square feet of heating surface shall be provided with a single or double cone type of hood diverter in the stack.
N.Y. Comp. Codes R. & Regs. Tit. 12 §§ 14-6.2
Gas-fired boilers not exceeding 100 square feet of heating surface shall be provided with a single or double cone type of hood diverter in the stack.
N.Y. Comp. Codes R. & Regs. Tit. 12 §§ 14-6.2