The integrated 1 NO + 1 NC auxiliary contacts allow for clear fault signaling

the 120V secondary provides up to 6

Common Questions How do I confirm the Robertshaw 5501-378 wiring for a pilot light

facilitating a "go/no-go" signal to the control board to prevent the dangerous accumulation of unburned gas

Laars Heating Systems 2400-310 Combustion Blower R-407C The integrated 1 NO +The Laars Heating Systems 2400 310 Combustion Blower is a critical OEM component designed for precise air fuel ratio management in high efficiency commercial and residential hydronic systems. This blower provides the necessary static pressure to facilitate optimal heat transfer and flue gas expulsion, ensuring the unit maintains clean combustion across varying operational loads. Built with a high efficiency motor and heavy duty housing, the 2400 310