Standard L4008A models often require a separate immersion well if one is not already present in the piping or boiler tapping

Usage with non-compatible motors can lead to equipment failure

HVAC Humidifier Pad

It is natively compatible with unit heaters

Trane CNT4960 Control 321894-706 Standard L4008A models often requireThe Trane CNT4960 (also identified as CNT04960) is a high performance OEM high pressure control switch engineered for critical system protection in commercial and residential HVAC units. This SPST normally closed safety switch is designed to monitor discharge line pressure, effectively preventing compressor damage by opening the circuit when pressures reach 650 PSI. The control automatically resets and closes once the system pressure stabilizes at 550