White-Rodgers 3L09-4 Heating Limit ControlWhite Rodgers 3L09 4 Heating Limit Control is a dependable limit control for residential heating systems. This Therm O Disc Type 36T, board mount unit provides precise open and close temperature control to protect your equipment. Designed for broad voltage compatibility and reliable current performance, it supports 120 240 277 VAC (resistive) and 120 240 VAC (inductive) with strong ratings. The 3. 12" length, board mount design, and 1 2" bimetal disc

making it a versatile replacement for many furnace and air handler setups

helping you avoid frequent replacements and keep home comfort year-round

Ideal for commercial refrigeration

Output Signal: 2–10V DC (0

Designed for commercial and industrial boiler setups

Easy installation with standard furnace wiring connections

Trane Parts COV03607 is a motor cover designed to protect your HVAC motor

12" probe for precise measurements in tight or awkward spaces

PGB042100-1A

Easy installation: straightforward replacement to reduce maintenance time

Rheem Furnace Parts 43-25133-20 Gas Electric Unit Dual Capacitor delivers reliable dual-capacitor performance for gas and electric furnace systems

The flanged 3" connections enable secure attachment to standard components