this maintenance-free CO2 transmitter provides reliable 0-2000 PPM CO2 monitoring without the need for periodic recalibration

preventing liquid slugging and protecting the compressor in demanding commercial applications

Ensures critical over-temperature protection for Burnham boilers

Supports VB-7XXX and VB-9XXX series valve bodies

What happens if the system exceeds 2000 CFM

Lennox 28W70 Defrost Sensor R-410A this maintenance-free CO2 transmitter providesThe Lennox 28W70 Defrost Sensor w Harness is a critical OEM replacement component designed to maintain optimal efficiency in Lennox heat pumps and refrigeration systems. This 50 inch wiring harness with defrost sensor assembly includes a high precision thermistor that monitors evaporator coil temperatures to prevent excessive frost accumulation. Engineered for a seamless fit, the Lennox 101334 01 ensures the defrost control board receives accurate