


Honeywell CR04 Opentherm Digital Programmable Controller
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Honeywell CR04 Opentherm Digital Programmable ControllerBrand: Honeywell Type: Storage Tank Water Heater Features: Digital,Programmable MPN: CR04 Replacement Spare For: Honeywell OpenTherm Digital Programmable Controller CR04. Shows the operating of the boiler. 3 adjustable levels of temperature. Diagnosis of boiler faults. Possibility of setting a 7 day heating program to work around your work hours or lifestyle. 5 default factory preset heating programs. Possibility to control the Thermona cascade
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Reviewed in the United States on February 27, 2026
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very stylish
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Great Material
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