Honeywell L8100B1128 Aquastat Controller 321142-301 With a high-capacity gas flow

With a high-capacity gas flow rating

Engineered with ball bearings and thermal protection

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

these purple pens serve as a critical component for accurate visual data logging of specific environmental variables

Honeywell L8100B1128 Aquastat Controller 321142-301 With a high-capacity gas flowThe 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