Technicians should note that this unit is the direct replacement for 2151+ and the 70-540000-001 models

Replacement is necessary if the boiler fails to ignite

Designed for professional-grade OEM HVAC motor swaps

Using this valve in an R-22 system will result in improper flow and potential system failure

a 5-switch sequencer can replace units with fewer switches by leaving the unused terminals open

Automation Components Inc (ACI) A/CP-I-2.5-GD Sensor R-134A Technicians should note that thisThe Automation Components Inc (ACI) A CP I 2. 5 GD Sensor is a high performance 10K Type II thermistor specifically engineered for immersion temperature sensing in HVAC Building Automation Systems (BAS). Featuring a 2. 5 inch stainless steel probe, this NTC temperature sensor utilizes a proprietary double encapsulation process to eliminate moisture infiltration, a common cause of sensor drift and field failure. The unit is housed in a durable