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The Honeywell L4006A1967 Boiler-Mounted High or Low Limit Control ensures precise temperature regulation for various heating systems. This controller is factory-set at 240 degrees Fahrenheit and includes a 5 to 30 degrees Fahrenheit adjustable differential.
This Honeywell controller is versatile and reliable, ideal for maintaining safe and efficient operation of your boiler system.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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