the Lennox 77N39 CO2 Detector (T8100-D-LN) provides contractors with a heavy-duty solution for real-time indoor air quality monitoring

Built for direct integration with Carrier i-Flex digital Comfort Systems and air handling units

it may cause premature shutoff

preventing refrigerant bypass

Common Questions Is the VT3223 compatible with steam applications

Danfoss 068U2029 TXV 320788-703 the Lennox 77N39 CO2 DetectorThe Danfoss 068U2029 is a high performance TUB series thermostatic expansion valve engineered for precision refrigerant metering in R134a and R513A systems. Built with a durable stainless steel body and bi metal connections (stainless steel to copper), this TXV allows for direct brazing without the need for a wet wrap, significantly reducing installation time for technicians. The 068U2029 features a 1 4" x 1 2" ODF solder connection and an internal