The Most Trusted MRCOOL Dealer

✨ New Arrivals Just Dropped!Explore

Mini Splits

Central Systems

Installation & Accessories

HVAC Control Boards – OEM & Direct Replacement Boards for Mini Splits, Heat Pumps & Furnaces

Filter products by category, price, and more

MRCOOL DIY Direct

Store About Us Contact Us FAQ

-65%NEW

MRCOOL Replacement Condenser Control Board Subassembly DIY-36-C-HP-230A (P/N 17222000A64016)

$321.36

$112.48

New

NEW

MRCOOL Advantage Series Outdoor Condenser Control Board Subassembly - Advantage Series A-09-C-230B

$277.07

New

NEW

MRCOOL VersaPro Series Replacement Control Board | Compatible with MGA80EE100C5B

$433.63

New

-65%NEW

Genuine MRCOOL Main Control Board Sub-Assembly for DIY-MULTI4-36HP230 Outdoor Unit

$610.79

$213.78

New

NEW

MRCOOL Replacement Control Board Sub Assembly for DIY-36-HP-C-230C25 Ductless Heat Pump Condenser | Genuine OEM Part

$420.24

New

NEW

Genuine MRCOOL Main Condenser Control Board for MHP13036 – Part #30221404 | Factory OEM Replacement

$269.86

New

-65%NEW

MRCOOL ProDirect Defrost Control Board for HHP15030 | Part #801335000004

$244.11

$85.44

New

-65%NEW

MRCOOL A-09-HP-C-230B Condenser Electronic Control Box Subassembly – OEM Replacement (Part #17222000035623)

$359.47

$125.81

New

-65%NEW

MRCOOL Outdoor Control Board Sub-Assembly – Compatible with A-09-HP-C-230C

$248.23

$86.88

New