Honeywell L8100B1128 Aquastat Controller 323613-751 This cover is optimized for

This cover is optimized for the Honeywell 14004406 series and related pneumatic models like the TP970

If retrofitting with R407C

the igniter failing to glow despite power

You can utilize the existing 24V AC/DC power supply and signal wiring for a drop-in installation

even under variable fuel-air mixtures and high-velocity process air

Honeywell L8100B1128 Aquastat Controller 323613-751 This cover is optimized forThe 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