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Quick specs
Part Number
AG3000
Part Type
HVAC surge protective device (SPD)
Brand
Intermatic
Series
AG Series
Voltage
120/240 VAC single split-phase
Fits
120/240 VAC single-phase HVAC systems
Not sure this fits your unit?
Call us with your model number and we'll confirm the right part before you order.
INTERMATIC HVAC Surge Protector AG Series AG3000
Type 1/Type 2 SPD·HVAC Protection
$110.82
-
- Free shipping — most items ship by the next day
Licensed HVAC technician required. Must be installed by a certified professional. Improper installation voids the manufacturer warranty.
Secure payment
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INTERMATIC HVAC Surge Protector AG Series AG3000
Licensed HVAC technician required. Must be installed by a certified professional. Improper installation voids the manufacturer warranty.
Need help? (888) 292-0874
- Free shipping — most items ship by the next day
Secure payment
VISA MC AMEX DISC PayPal Affirm CHECK
In stock
In most items, small items ship same day. Complete systems ship next business day.
$110.82
-
Need help? (888) 292-0874
- Free shipping — most items ship by the next day
Secure payment
VISA MC AMEX DISC PayPal Affirm CHECK
Quick specs
Part Number
AG3000
Part Type
HVAC surge protective device (SPD)
Brand
Intermatic
Series
AG Series
Voltage
120/240 VAC single split-phase
Fits
120/240 VAC single-phase HVAC systems
Not sure this fits your unit?
Call us with your model number and we'll confirm the right part before you order.
INTERMATIC HVAC Surge Protector AG Series AG3000
The AG3000 is a robust, easy-to-install Type 1/Type 2 Surge Protective Device (SPD) designed specifically to safeguard HVAC systems against sudden power surges, spikes, and lightning-induced transients. Built with advanced TPMOV® surge protection technology, it delivers reliable, multi-mode defense that helps prevent costly equipment failures and downtime.
Key Features
- Three Modes of Protection: L-G (Line-to-Ground), L-L (Line-to-Line), and L-N (Line-to-Neutral) for comprehensive coverage on 120/240 VAC single split-phase systems.
- TPMOV® Technology: Advanced surge protection that provides superior performance and fail-safe operation.
- Green LED Indicator: Clearly shows active protection status at a glance.
- Durable Type 4X Enclosure: Watertight, UV-resistant plastic housing ideal for indoor or outdoor installation.
- Easy Installation: Includes 18″ 10-gauge leads and a ½” threaded nipple for quick connection to furnace/air handler disconnects.
- Certifications: UL Listed to ANSI/UL 1449 4th Edition.
Benefits
- Extends the life of high-efficiency furnaces, central air conditioners, air handlers, heat pumps, ductless mini-splits, and instantaneous water heaters.
- Reduces the risk of expensive repairs or premature equipment replacement caused by surges.
- Provides peace of mind with a 3-year product warranty and $7,500 connected equipment warranty.
- Weatherproof design allows flexible mounting near outdoor units or in harsh environments.
- Simple retrofit solution that adds professional-grade protection without complex wiring.
Compatibility
The AG3000 is compatible with most 120/240 VAC single-phase HVAC systems, including:
- Central air conditioning units
- Air handlers and furnaces
- Heat pumps
- Ductless mini-splits
- Hydronic heating systems
- Instantaneous water heaters
It works seamlessly with both residential and light commercial applications.
Don’t wait for the next storm or power surge to damage your HVAC system. Install the Intermatic AG3000 today for reliable, high-performance protection that keeps your home comfortable year-round.
Key features
- Type 1/Type 2 SPD — Intermatic AG3000 surge protector
- HVAC Protection — guards against surges, spikes and lightning
- Easy Installation — robust, compact design
- Protects Your Investment — safeguards sensitive HVAC electronics
Why homeowners choose NAW
Genuine OEM parts
Every part we sell is the real thing — authorized, factory-genuine, and backed by the full manufacturer warranty.
Easy online ordering
Find your part by model number, add to cart, and get it delivered to your door — no middleman, no markup.
30-day hassle-free returns
Ordered the wrong part? Send it back within 30 days.
Help when you need it
Not sure if this is the right part? Call us at (888) 292-0874 and we’ll help you find the correct replacement.
Specifications
Device Type Type 1/Type 2 Surge Protective Device (SPD)
Protection Modes L-G, L-L, L-N
Voltage 120/240 VAC single split-phase
Technology TPMOV®
Enclosure Type 4X, watertight, UV-resistant plastic
Leads 18" 10-gauge
Nipple 1/2" threaded
Certification UL Listed to ANSI/UL 1449 4th Edition
Customer reviews
What buyers are saying
Verified reviews from customers who purchased this product.
5.0
5 verified reviews
FD
Falcon D
The INTERMATIC HVAC Surge Protector, 120/240 VAC, Type 4x Enclosure AG Series is a total game-changer at an unbelievable price! Its top-notch quality and reliable performance have given me peace of mind, keeping my HVAC system safe and running smoothly without any issues.
OQ
Orlando Q
The Intermatic HVAC Surge Protector, 120/240 VAC, with its Type 4x Enclosure AG Series, is a lifesaver, providing robust surge protection at an incredibly reasonable price. Installation was easy, and it immediately enhanced the safety and reliability of my HVAC system, giving me peace of mind during storms and power fluctuations.
RK
Royce K
I recently purchased the Intermatic HVAC Surge Protector, and I’m thrilled with its exciting performance, unbeatable price, and the peace of mind it brings to my electrical system – a must-have for anyone looking to safeguard their equipment!
L
Lance
I recently purchased the Intermatic HVAC Surge Protector, and I am ecstatic about the exciting value it brings at such an excellent price! With its robust 120/240 VAC protection and Type 4x Enclosure AG Series, this surge protector not only surprised me with its affordability but also delivered exceptional performance, making it an essential safeguard for my HVAC system. Highly recommended for the unbeatable combination of price and top-notch equipment performance!
K
Kevin
The Intermatic HVAC Surge Protector with its Type 4x Enclosure AG Series is a fortress against power surges, shielding your HVAC system with unparalleled protection, which is a true surprise at its fantastic price point. Its robust build and exceptional performance ensure peace of mind, safeguarding your valuable HVAC equipment from unexpected electrical spikes, promising extended durability and reliability.
