Laars Heating Systems 2400-133 Blower Assembly 326058-757 No C-Wire Required: The power-stealing

No C-Wire Required: The power-stealing design allows for easy installation on 2-wire systems

corrosion-resistant steel to withstand the high torque and rotational stress of continuous operation

Fast Reaction Time: Gas-filled bellows provide quicker actuation than standard liquid-filled sensors

Using this for steam will result in premature seal failure

Laars Heating Systems 2400-133 Blower Assembly 326058-757 No C-Wire Required: The power-stealingThe Laars Heating Systems 2400 133 Blower Assembly is a critical combustion air component engineered specifically for high efficiency performance in Laars Summit Model SMB SMW 200 250 boilers. As a direct replacement blower, this assembly ensures precise air to fuel ratios and consistent static pressure required for optimal burner operation. Built for the rigors of commercial and residential hydronic heating, the 2400 133 features a durable housing