This Weil-McLain control module, also known as the UT-1135-605 LWCO, is a key component in managing and maintaining the operation of heating systems. It is designed to monitor water levels within a boiler system and automatically shut off the burner when water levels drop below a safe operating level, hence its designation as a Low Water Cut-Off (LWCO) device. The control module is compatible with various Weil-McLain boiler models and is equipped with an LED display for easy monitoring and troubleshooting. Its compact design allows for easy installation and replacement, while its robust construction ensures durability under demanding conditions.