1 Phase Surge Protective Device (120V) (Ditek DTK-120HW)
120v1-31°F to 176°F
$85.49
HVAC surge protectors
A surge protector helps protect your AC or heat pump from power spikes. Match the volts and the phase.
- 1Volts: match your unit, often 120/240 V
- 2Phase: single phase for most homes
- 3Mount: fits near the disconnect
1 Phase Surge-Trap Series Surge Protective Device (120/240V) (Robertshaw STXH240S05)
120/240V1NEMA-4X
$132.99
1 Phase, Types 1 and 2 SPD Protection AC Surge Protector (120/240V) (Intermatic AG3000)
120/240V4x
$133.99
BoltShield 36kA External Surge Protection Device (120/240V) (Siemens FSPD036)
120/240V
$95.49
RSH-50 Surge Protective Device (Rectorseal 96415)
120/240V
$176.99
Split Phase Surge Protective Device (120/240V) (Ditek DTK-120/240CMPLUS)
120/240VSplit-31°F to 176°F
$112.99
Surge Protector (120/240V) (Packard PSP72KA)
120/240V
$132.49
Numbers rubbed off your old part?
Ask us to find it
Send us your unit's model number and a photo of the plate. A real person will find the part for you.
What it does
It sends power spikes to ground before they reach the control board and compressor.
Where it goes
Most mount at the outdoor disconnect.
Hire an electrician
This is line voltage wiring. If you are not trained, have a licensed electrician or HVAC tech install it. Read the guide.