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Controls & Thermostats

18 items

White-Rodgers Defrost Control Board 24V Universal Replacement MPN 47D01U-843
New

47D01U-843

White-Rodgers Defrost Control Board 24V Universal Replacement

$68.99$76.50Save 10%
MARS Series 332 24V 25A Time Delay Relay MPN M33246
New

M33246

MARS Series 332 24V 25A Time Delay Relay

$41.99$46.17Save 9%
White-Rodgers Universal Single Stage Furnace Control Board, 24V Silicon Carbide MPN 50A55-843
New

50A55-843

Universal Single Stage Furnace Control Board, 24V Silicon Carbide

$80.99$90.00Save 10%
JARD 60A 120V 3-Pole Definite Purpose Contactor with Box Lugs MPN M17636
New

M17636

60A 120V 3-Pole Definite Purpose Contactor with Box Lugs

$141.99$157.95Save 10%
MARS 24V HVAC Fan Control, 120/208/240V, 3/4 HP MPN M24010
New

M24010

24V HVAC Fan Control, 120/208/240V, 3/4 HP

$10.99$12.00Save 8%
JARD 24V Single Pole Double Throw Time Delay Relay MPN M92293
New

M92293

24V Single Pole Double Throw Time Delay Relay

$17.99$19.77Save 9%
JARD 24V SPDT Relay with Quick-Connect Terminals & Mounting Bracket MPN 92370
New

92370

24V SPDT Relay with Quick-Connect Terminals & Mounting Bracket

$23.99
MARS 24V SPST Thermal Sequencer, Series 332, Time Delay Relay MPN M33243
New

M33243

24V SPST Thermal Sequencer, Series 332, Time Delay Relay

$19.99$22.00Save 9%
MARS 24V 25A Time Delay Relay – Series 332 SPDT MPN M33247
New

M33247

24V 25A Time Delay Relay – Series 332 SPDT

$38.99$43.40Save 10%
JARD 24V 3P 40A Contactor with Lugs – Series 173 MPN M17435
New

M17435

24V 3P 40A Contactor with Lugs – Series 173

$17.99$19.99Save 10%
JARD 40A 120V 3-Pole Definite Purpose Contactor with Box Lugs MPN M17436
New

M17436

40A 120V 3-Pole Definite Purpose Contactor with Box Lugs

$19.99$22.50Save 11%
MARS 24V DPST Thermal Sequencer with Time Delay for HVAC MPN 33244
New

33244

24V DPST Thermal Sequencer with Time Delay for HVAC

$15.99$18.00Save 11%
MARS 24V Fan & Heat Two Switch SPST Sequencer MPN 33222
New

33222

24V Fan & Heat Two Switch SPST Sequencer

$28.99$32.25Save 10%
JARD 24V Double Pole Double Throw Relay with Quick-Connect Terminals MPN M92340
New

M92340

24V Double Pole Double Throw Relay with Quick-Connect Terminals

$8.99$10.00Save 10%
JARD 24V 3-Pole 30A Contactor with Lugs MPN 17335
New

17335

24V 3-Pole 30A Contactor with Lugs

$21.99$23.99Save 8%
Resideo 18/30V Fan Control Board for Gas Furnaces MPN ST9120U1011/U
New

ST9120U1011/U

18/30V Fan Control Board for Gas Furnaces

$256.99
MARS 24V 15A Time Delay Relay Series 332 MPN M33241
New

M33241

24V 15A Time Delay Relay Series 332

$34.99$39.32Save 11%
JARD 24V 16A SPST General Purpose Relay w/ Quick Connect MPN M92290
New

M92290

24V 16A SPST General Purpose Relay w/ Quick Connect

$14.99$16.85Save 11%
Cornerstone Supply Co. logoCornerstone Supply Company LLC

Restoring Value Through Smarter Logistics.

Based in Ohio, Cornerstone Supply Company LLC is a trusted supplier of residential and commercial appliance components. We specialize in sourcing OEM parts, high-demand components, and value-tier marketplace solutions. Every item in our inventory is thoroughly inspected, accurately graded, and backed by fast shipping and dependable service.

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