Modine has enhanced its Hot Dawg unit heaters based on feedback from trusted contractors. The Hot Dawg Gas-Fired Unit Heater now includes a dimpled heat exchanger tube, which boosts efficiency and replaces internal baffles, resulting in reduced noise levels. Furthermore, the gas valve manometer connections have been moved to the front, rather than the side of the valve, simplifying the connection process. Additionally, the flame roll-out sensor has been moved to the side of the burner box, making it accessible without having to remove the front panel and the control board has been rotated, so thermostat connections are no longer under the gas valve.

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