§ 3a.167. Hot water/steam heat exchangers.

 (a)  Heat exchangers must be manufactured under the ASME Code.

 (b)  Heat exchangers must have adequate over-pressure protection to protect both systems.

 (c)  Heat exchangers used for domestic hot water supply must have a high temperature limit switch designed not to exceed 210°F.

 (d)  Inspection of hot water/steam heat exchangers shall be performed in accordance with §  3a.111(8) (relating to field inspections).

Cross References

   This section cited in 34 Pa. Code §  3a.3 (relating to scope).

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