The Honeywell L7224U1002 is a universal oil electronic Aquastat controller providing electronic sensing within a UL limit-rated controller. The low limit can be disengaged for cold start boilers and the Honeywell L7224U1002 is “outdoor temperature reset” ready when connected to a Honeywell outdoor reset kit, this option is intended for all applications except for tankless coil systems for domestic hot water. This item is intended for installation by a professional technician only.
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