Honeywell L8100B1128 Aquastat Controller 321142-301 Direct Fit: Designed for rapid

Direct Fit: Designed for rapid installation with standard lead connections

Engineered with ball bearings and thermal protection

it features integrated Fahrenheit (°F) and Celsius (°C) markings to ensure clear setpoint visibility and precise calibration across diverse facility standards

and a calibrated actuator spring

Utilizing a genuine ICP 1177395 kit preserves the engineering specifications of the original combustion system while maintaining optimal system performance

Honeywell L8100B1128 Aquastat Controller 321142-301 Direct Fit: Designed for rapidThe Honeywell L8100B1128 Aquastat Controller is a high limit immersion controller engineered for precision hydraulic system protection. This SPST aquastat is designed to break the circuit on temperature rise, specifically serving as a secondary safety limit for hydronic heating systems. It features a broad 100 180 degree F operating range with a factory set 190 degree energy cutoff (ECO) to prevent boiler overheating. The unit utilizes a 3 8 inch x 2