Price: $49 - $72
Availability: In Stock - Usually ships in 1 to 2 days.
Which part do i need?
The Modine HD Hot Dawg heater limit control part keeps the unit from overheating if a malfunction happens.

Modine Part #
Fits Modine Models
3H40078-3 (replaces 5H75769-1 & 5H75001)
HD30, HD45, HD125, HDS30, HDS45, HDS125
3H40078-2 (replaces 5H75769-2)
HD60, HD75, HD100, HDS60, HDS75, HDS100

Item # 4015, 4015170, 4015180