Fenwal 12-E27121-000-06 Mounting Head 321702-401 the ceramic base often develops

the ceramic base often develops hairline cracks that cause electrical leakage

maintaining structural integrity across repeated thermal cycles

Supports reliable and consistent burner ignition

these are variations of the same part number used by different distributors

always verify your specific system schematic

Fenwal 12-E27121-000-06 Mounting Head 321702-401 the ceramic base often developsThe Fenwal 12 E27121 000 06 Detect A Fire unit is a high precision, rate compensated thermal fire detector designed for industrial and commercial fire protection systems. This model is engineered for vertical installation, featuring a robust 300 series stainless steel shell and a hex brass mounting head to ensure durability in demanding environments. Calibrated for a 210 degree F setpoint with a Close on Rise circuit configuration, it utilizes white