Laars Heating Systems RXD7234 Control Module 318518-761 leak-proof installation without the need

leak-proof installation without the need for brazing

Built for heavy-duty field use

Optimal Flow Control: 3/4" x 3/4" ODS female braze connections provide a secure

it sends a signal to the HVAC safety circuit to kill power or trigger an alarm

this unit supports efficient thermal management in commercial air handling units and hydronic loops

Laars Heating Systems RXD7234 Control Module 318518-761 leak-proof installation without the needThe Laars Heating Systems RXD7234 Control Module is a critical OEM replacement part designed for high performance management of commercial and residential hydronic systems. This electronic board functions as the primary HVAC combustion control, overseeing essential operations including ignition sequencing, burner monitoring, and real time system diagnostics. Engineered for high efficiency Laars boilers such as the NeoTherm series, the module utilizes