Mars 83905 HVAC surge protector safeguarding compressors and ECM motors from spikes

MARS

Mars 83905 HVAC Surge Protective Device | TPMOV Technology for Whole-HVAC Protection

Free U.S. shipping and free 30-day returns. Check the compatible models in the description below.

$135.61

In stock. Ships free, usually within 1–4 business days.

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Check the listed compatible models and specs before you order. Questions? Email us.

Multi-device One for each device (3)

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Free tracked shipping on every order. Most orders arrive within 3–8 business days.

Free 30-day returns

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Return eligible items within 30 days of delivery for a full refund. We email you a prepaid return label.

Peak-demand shipping delays

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During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

Email support

Questions about fit or an order? Email nexoltic@gmail.com. We reply on business days (Mon–Fri).

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Product details

Protect your HVAC investment with the Mars 83905 Surge Protective Device. Built around TPMOV technology, this unit guards critical components from power surges, spikes, and transients that can stress compressors, sensors, and motor electronics. By stabilizing power events, it helps reduce the risk of downtime and costly repairs, while preserving system performance.

How it protects your system

The Mars spd targets the entire HVAC unit, including:

  • Compressors
  • Heat pumps
  • ECM motors
  • Control boards
  • Sensors

TPMOV technology combines a thermally protected metal oxide varistor with smart protection to respond quickly to surges, helping to minimize voltage irregularities that stress electrical components.

Key features and installation

  • Easy installation with weatherproof enclosure
  • LED protection indicator to show active status
  • Installation Type 1 and Type 2; no additional overcurrent device required

Real world use and benefits

In homes and small commercial setups, the Mars surge protector acts as a first line of defense during storm activity, heavy load shifts, or sudden power irregularities. Use it to safeguard a single outdoor unit or a whole HVAC system where reliability matters.

Why choose Mars

Designed to be durable in outdoor environments, the unit provides visible status signals and reliable protection. While outcomes can vary by system and conditions, many users notice smoother operation during power events and fewer interruptions.

FAQ

Q: What equipment does the Mars 83905 protect?

A: Protects the entire HVAC unit including compressors, heat pumps, ECM motors, control boards and sensors from surges, spikes, and transients.

Q: What installation features are included?

A: Easy Type 1/Type 2 installation with a weatherproof enclosure; LED status indicator; no extra overcurrent device required.

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