591-391-820 is an OEM Wiring Harness, Control Module to: Thermostat, Block Switch, Limit, Pressure Switch, Gas Valve - for GV Boilers manufactured by Weil Mclain.
Specs
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Used With:
GV Boilers
Contact
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Q: Will this wiring harness work for the older control module #1013-100 or would I need to upgrade to the newer module #1013-200?
Asked by panne 15 years ago
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Verified Reply- PexSupply Staff
According to the manufacturer, this harness works with the old modules only.
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Q: What is the temperature range for the switch. Low temperature and high temperature?
Asked by 16 years ago
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Verified Reply- PexSupply Staff
The switch opens at 350 degrees Fahrenheit and closes at 250 degrees Fahrenheit.
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