Always verify the Minimum Circuit Ampacity (MCA) and Maximum Overcurrent Protection (MOP) on the nameplate before finalizing your circuit sizing

This model is a one-pipe

The configuration utilizes dual 1/4" barb connections for secure pneumatic line attachment

featuring identical mount styles and technical specifications

Direct OEM Compatibility: Verified fit for models V53AC04Q5CDACI0001

Laars Heating Systems R2022400 Pressure Switch Kit 323613-751 Always verify the Minimum CircuitThe Laars Heating Systems R2022400 Pressure Switch Kit is a critical OEM replacement component engineered for high efficiency hydronic systems. As an essential safety and operational interface, this pressure switch kit monitors airflow and combustion pressures to ensure the blower and burner sequence remains within factory defined parameters. This specific Laars boiler replacement part is the technician's standard for maintaining the integrity of the