I have a whole house surge protector installed. Can I use this intermatic ag3000 hooked at my furnace plus another one at my outdoor ac service?

A whole house surge protector, is primary protection. A furnace surge protector is secondary protection. You need both. The furnace has a sensitive circuit board which can, and I have seen, blow out from a surge. These circuit boards can run about $300 from the HVAC tech, if he/she has one in the middle of the winter. Plus the service call charge.

Aloha, I don't understand how this works, The wiring looks like its parallel to the equipment it's protecting. How does it protect it?

I placed one at my disconnect box outside by the AC unit. Once you kill the power and remove the cover that hides the wiring, all you do is attach one black wire to each of the incoming hot wires from the house, then connect the green to the ground wire then you have your 220 protected before it reaches your AC unit. to hook it up to your inside furnace you have to twist both black wires together to the incoming hot wire and ground to ground making it a 120 volt surge protector.

do you need this if you have a whole house surge protector that protect the entire fuse box?

Hello, It is not required but it is always recommended that you get one to individually protect the outdoor condenser.

This model AG3000, I would serve to protect 100% of my apartment? or just a line? What model would serve me?

This will protect only the piece of equipment it’s installed on. This device should not be installed on more than 1 piece of equipment, if you have to ask you probably should have one professionally installed.

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Intermatic AG3000 HVAC Surge Protective Device, 120/240 VAC | UL Listed with TPMOV Technology, a Type 4X Outdoor Enclosure, and Dual LED Indicators Showing Protection Status

Intermatic AG3000 HVAC Surge Protective Device, 120/240 VAC | UL Listed with TPMOV Technology, a Type 4X Outdoor Enclosure, and Dual LED Indicators Showing Protection Status

Product ID: 12801011

⚡3-mode surge protection (L-G, L-L, L-N)

💧Type 4X watertight & UV resistant enclosure

🔋Thermally Protected MOV tech for fail-safe defense

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Description

⚡ Protect your HVAC like a boss—surge-proof, weatherproof, worry-free!

CERTIFIED INSURED - UL Listed with a $7,500 connected equipment warranty—peace of mind guaranteed.
NEXT GEN TPMOV TECH - Eliminates hazardous failures common in standard MOVs for unmatched reliability.
SMART VISUAL STATUS - Green LED indicator keeps you instantly informed—no guesswork, just confidence.
WEATHERPROOF WARRIOR - Type 4X enclosure means indoor/outdoor resilience without compromise.
TRIPLE MODE SURGE SHIELD - Robust defense against all power surge angles—protect your HVAC like a pro.

The Intermatic AG3000 is a UL-listed HVAC surge protective device featuring advanced Thermally Protected Metal Oxide Varistor technology and triple-mode surge defense. Its Type 4X watertight, UV-resistant enclosure ensures durability indoors or outdoors, while a green LED status indicator offers real-time protection monitoring. Backed by a 3-year warranty and $7,500 connected equipment coverage, it’s the smart, easy-to-install solution to safeguard your HVAC investment from costly power surges.

Specifications

ASIN	B008VM6MXI
Best Sellers Rank	#4,004 in Electronics ( See Top 100 in Electronics ) #37 in Surge Protectors
Color	Color
Customer Reviews	4.7 4.7 out of 5 stars (1,470)
Date First Available	August 10, 2012
Included Components	AG3000
Item Package Quantity	1
Item Weight	11.2 ounces
Item model number	AG3000
Manufacturer	Intermatic Incorporated
Material	Plastic,Metal
Number Of Pieces	1
Number of Handles	1
Part Number	AG3000
Product Dimensions	4.3 x 2 x 4.5 inches
Shape	Rectangular
Size	Pack of 1
Usage	personal
Warranty Description	See Manf Description

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B/.246

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In stock

Sold byAmazon PanamaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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