Tunstall Angle Apollo Steam Modulators™ - New Hybrid Technology

  • Linear constant flow technology

    Instant prime

    Highly efficient: 99%+

    Protects system from water hammer

    Built with precision machine shop tolerances and specifications long overdue for the HVAC industry

    Excellent reliability and long life under extreme conditions

    Simple to inspect and service

    The modern method to blend existing steam principles with high tech manufacturing

    Operating on a close approach flow limit principal

    Continuously modulates with an effective range of 15” vacuum to 250 psi steam