What to Look for in Surge Protection Warranties
When purchasing a surge protection device (SPD), many homeowners and contractors focus on the warranty length listed on the specification sheet. Terms like “5-Year Warranty” or “10-Year Warranty” may sound impressive, but it is important to understand what the warranty actually covers. In many cases, surge protection warranties only cover defects in materials and workmanship, not damage caused by lightning strikes or power surges.
A materials and workmanship warranty means the manufacturer will replace the unit if it fails because of a manufacturing defect. These types of issues usually appear within the first few days or weeks after installation. What many customers do not realize is that some surge suppressor warranties exclude the very surge events the device was designed to protect against. As a result, a 10-Year Warranty may end up providing very limited protection if lightning and surge damage are excluded.
This is why it is important to carefully read the warranty statement before choosing a surge protector. A strong surge protection warranty should clearly state whether the unit is covered if it fails due to lightning or severe surge activity during the warranty period. TPD is one of only a few SPD manufactures that offer replacements for units under warranty including workmanship, defects in materials, and damage from lightning and surges. These warranties provide greater long-term value and lower lifecycle replacement costs. See any TPD product installation manual (IOM) for more details, for example, see page two of the TPX IOM for the warranty statement on our TPX units.
Another area that can be misleading is the connected equipment warranty. Many surge protection manufacturers advertise large dollar amounts for downstream equipment coverage, but these warranties often contain exclusions and conditions buried in fine print. Some connected equipment warranties exclude lightning damage, require extensive documentation, or have separate coverage periods that are shorter than the SPD warranty itself.
For homeowners, electricians, and systems integrators, choosing a surge protection system should involve more than comparing price or warranty length. It is important to evaluate what the warranty actually covers, whether lightning damage is included, and how replacement claims are handled. A quality surge suppression warranty should provide real protection, not just marketing language.
Ultimately, surge protectors are designed to protect valuable electronics and electrical systems from damaging power events. The best warranties, like those at TPD, support that purpose by offering transparent coverage that protects customers when it matters most. Explaining this to homeowners is not always easy, so please see our forms on accepting or declining TPD surge protection system for more information. And, as always, please reach out to us at info@tpdsurge.com with questions, we are happy to help!
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