Fenwal 12-E27121-000-05 Sensor Refrigerant While the stainless steel shell

While the stainless steel shell is highly durable

which simplifies field service and maintenance

it features 3/4" NPT inlet and outlet connections

making it ideal for standard and high-temperature hydronic heating applications

Industrial Build Quality: Constructed with robust materials to withstand the thermal stresses of the firebox environment and prevent premature coil burnout

Fenwal 12-E27121-000-05 Sensor Refrigerant While the stainless steel shellAs an HVACR contractor, you know that reliable fire protection in commercial ducting and air handling equipment starts with the Fenwal 12 E27121 000 05. This Detect A Fire vertical mount heat detector is engineered with a rate compensation design, allowing it to accurately sense surrounding air temperature regardless of fire growth rate. Unlike standard rate of rise devices, the Fenwal heat sensor ignores transient thermal gradients to virtually