Is the dial plate and knob included with the FF4H model

Rugged OEM Construction: Designed to withstand the high-ambient temperatures found in commercial mechanical rooms

If you notice "clanging" noises or poor drainage during low-load periods

preventing the heating elements from receiving high-voltage power

The unit features 1/4" barbed connections suitable for standard flexible tubing

Bard HVAC 8402-148BX Limit Switch 320788-702 Is the dial plate andThe Bard HVAC 8402 148BX Limit Switch is a critical safety component designed for high temperature monitoring in Bard wall mount heat pumps and air conditioners. This L325 manual reset limit switch acts as a primary safety cutout, designed to open the electrical circuit when internal plenum temperatures exceed 325F. Engineered as a direct replacement part, the 8402 148BX is identical to 8402 148, ensuring seamless mechanical and electrical