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Immersion-type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems, including domestic hot water service.
Immersion-type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems
Provide multi zone control by using a separate circulator and R845 Relay for each zone
Include diaphragm powerhead and Micro Switch assembly that respond to temperature changes in boiler water
Include diaphragm powerhead and Micro Switch assembly that respond to temperature changes in boiler water
Mount directly to boiler