As required in § 63.2490, you must meet each requirement in the following table that applies to your heat exchange systems:
| For each . . .
| You must . . .
|
|---|
| Heat exchange system, as defined in § 63.101 | a. Comply with the requirements of § 63.104 and the requirements referenced therein, except as specified in § 63.2490(b) and (c); or
|
| | b. Comply with the requirements in § 63.2490(d); or
|
| | c. Comply with the requirements in § 63.2490(e). |