Description
The Weil Mclain Parts 510312209 Controller Limit functions as a safety component that protects boilers and hydronic heating systems. The Differential Temperature Controller operates as a high-limit control to monitor temperatures in a 3/4″ well with a 10-degree differential range. The device protects against overheating through automatic shutdown when temperature reaches the specified limit followed by automatic restart when the system cools down for HVAC systems. The SPST-Single Pole Single Throw automatic recycle device protects boilers while improving system reliability through its hazard prevention of excessive heat conditions.
