Honeywell L8100B1128 Aquastat Controller 328140-751 6°F fixed differential with an

6°F fixed differential with an adjustable 3

Designed for precision fuel regulation

providing integrated Low Water Cut-Off (LWCO) functionality with two snap-acting SPDT switches

This 24V AC coil relay serves as a critical interface for Aaon rooftop units (RTU) and air handling systems

it is industry best practice to inspect and replace the mounting gasket during installation to prevent flue gas leakage

Honeywell L8100B1128 Aquastat Controller 328140-751 6°F fixed differential with anThe 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