Honeywell Aquastat Relay, Triple, 24 to 120 VAC, 130 to 240 degree Fahrenheit, 10 to 25 degree Fahrenheit Differential, Horizontal Mount, Micro Switch Switch, 3 inch Insulation Depth, 0 to 95% Humidity
Immersion-type controllers that combine high limit protection with low limit and circulator control inch forced hydronic heating systems, including hot water service.