Conn. Agencies Regs. § 29-232-107
Current through June 15, 2024
If a boiler may be closed off from the heating system by closing a steam stop valve, there shall be a check valve in the condensate return line between the boiler and the system. If any part of a heating system may be closed off from the remainder of the system by closing a steam stop valve, there shall be a check valve in the condensate return pipe from that part of the system.
Conn. Agencies Regs. § 29-232-107