Carrier HH18HA276 Limit Switch 326058-755 The Hydrotherm 20-1014 features a

The Hydrotherm 20-1014 features a standard circular face with a rear-mount 1/4" NPT male connection

3 Million BTU/hr Rating: Provides high-volume pressure relief capacity suitable for large-capacity hydronic systems

or an internal short resulting in a control board fault code

it offers seamless compatibility across a wide range of Lennox

Carrier HH18HA276 Limit Switch 326058-755 The Hydrotherm 20-1014 features aThe Carrier HH18HA276 Limit Switch is a critical safety component designed for high temperature monitoring within HVAC furnace and air handler assemblies. This automatic reset limit switch features a cut out temperature range of 225F to 275F, ensuring the system shuts down if heat exchanger temperatures exceed safe operating limits. As a genuine OEM Carrier replacement part, this switch provides the exact electrical specifications and mounting