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Double Mixing Function: Optimizes boiler return temperatures to reduce the risk of condensation and thermal shock in the heat exchanger
Integrated Auxiliary Switch: One built-in SPDT switch reduces the need for external relays and simplifies field wiring for status feedback
the VS2212 allows for streamlined installation and maintenance
which is a requirement in larger tonnage commercial HVAC systems to prevent refrigerant loss
Common Questions What is the importance of the 5/8" bore size
Lennox 73W19 Limit Switch 320788-702 Double Mixing Function: Optimizes boilerThe Lennox 73W19 is a critical 155 30V OEM replacement limit switch engineered for precision temperature monitoring in high efficiency furnace applications. As a direct replacement for Lennox 102857 06, this high limit safety control is designed to break the electrical circuit if the heat exchanger temperatures exceed the 155 degree Fahrenheit threshold. This Lennox furnace limit switch prevents thermal stress on the heat exchanger and ensures the
US$ 149.99
US$ 570.00