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this is a binary (On/Off) pilot control relay triggered by a 24V signal
you must use the Reznor 57953 or an exact L170-40F equivalent
Can I bypass this switch during a service call
Replacing a clouded or cracked sight glass is a standard requirement during annual hydronic heating system service to maintain peak operational safety and fuel efficiency
Weil McLain 510-218-097 Gauge this is a binary (On/Off)The Weil McLain 510 218 097 is a precision engineered OEM boiler gauge designed for mission critical monitoring of hydronic heating systems. As a dual purpose temperature and pressure gauge, it provides real time diagnostics essential for maintaining optimal boiler performance and identifying potential pressure drops or overheating before they cause system failure. This heavy duty gauge features a 2 1 2 inch dial with a high contrast interface,
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