L8148J1009 | Honeywell Aquastat Relay SPST High Limit 8°F Differential 120VDescription The Honeywell L8148J1009 is a high limit Aquastat relay designed to control burner operation in hydronic heating systems. This single pole, single throw (SPST) control opens the burner circuit when water temperature exceeds the set high limit, providing reliable temperature protection and efficient system operation. Technical Specifications Condition New Never Used Surplus Brand Honeywell Category Temperature Controls Part Number
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