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Honeywell CR04 Opentherm Digital Programmable Controller

Marsoni M251S
Sale price$30.91
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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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4.0 ★★★★★
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Devlin
Lake Worth, US
★★★★★ 5
happy engine. good mileage
Color: CA9683
Fit my 05 Tacoma great! Have had good response with the engine and it's acceleration. Fuel mileage is back on par. Will buy again!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 18, 2025
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Verified Purchase
JAKE
Chelsea, US
★★★★★ 5
Kax brand
Color: CA9683
Perfect for my 07 FJ! Looks of great quality over fram low end...
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Reviewed in the United States on December 22, 2025
D
Verified Purchase
Derek Duncan
Omaha, US
★★★★★ 5
Is it to install looks better
Color: CA9683
Pitch Perfect, seems like it breathed better
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026
L
Verified Purchase
Luis'Amarillas
Natrona Heights, US
★★★★★ 5
Es de buena calidad
Color: CA9683
Muy buena calidad
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Reviewed in the United States on January 30, 2026
D
Verified Purchase
Dac32north
Lexington, US
★★★★★ 5
Save on filters forever
Color: CA9683
A perfect replacement for my auto' expensive paper filter. With a little care it will outlast the car
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Reviewed in the United States on September 18, 2025

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