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ProMariner Battery Isolator – 2 Alternator – 3 Battery – 70 AMP [12073
$
167.96
Original price was: $167.96.
$
112.73
Current price is: $112.73.
Sale!
Add to cart
Sea-Dog Smart Dual Battery Isolator [422790-1]
$
44.76
Original price was: $44.76.
$
31.84
Current price is: $31.84.
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1
1.5
1.5 Ton & Less Than 15 Seer
1.5 Ton & Less Than 22 & Horizontal
1.5 Ton & Less Than 22 & Multi Position
1.5 Ton & Less Than 22 & Upflow
1.5 Ton & More Or Equals To 15 Seer
1.5 Ton & Residential & W
1.5 Ton & Residential & Without Heat Kit & With Co
1.5 Ton & Undefined R454
100000 To 109999 & 80%
100000 To 109999 & Higher Efficiency
110000 To 119999 & 80%
110000 To 119999 & Higher Efficiency
120000 To 129999 & 80%
120000 To 129999 & Higher Efficiency
130000 To 139999 & 80%
130000 To 139999 & Higher Efficiency
2
2 Ton & Less Than 15 Seer
2 Ton & More Or Equals To 15 Seer
2 Ton R454
2.5 Ton & A Width & Horizontal
2.5 Ton & A Width & Multi Position
2.5 Ton & A Width & Upflow
2.5 Ton & B Width & Horizontal
2.5 Ton & B Width & Multi Position
2.5 Ton & B Width & Upflow
2.5 Ton & C Width & Multi Position
2.5 Ton & Horizontal
2.5 Ton & Less Than 15 Seer
2.5 Ton & More Or Equals To 15 Seer
2.5 Ton & Packaged AC
2.5 Ton & Packaged Gas
2.5 Ton & Packaged Heat Pump
2.5 Ton & Residential & Without Heat Kit & With
2.5 Ton R32
2.5 Ton R454
2.5T & C Width & Upflow
23999BTU
3
3 Ton & Less Than 15 Seer
3 Ton & More Or Equals To 15 Seer
3 Ton R32
3 Ton R454
3.5 Ton & A Width & Horizontal
3.5 Ton & A Width & Multi Position
3.5 Ton & A Width & Multi Position R454
3.5 Ton & A WIdth & Upflow
3.5 Ton & B Width & Multi Position
3.5 Ton & B Width & Multi Position R454
3.5 Ton & B WIdth & Upflow
3.5 Ton & C Width & Multi Position
3.5 Ton & C Width & Multi Position R454
3.5 Ton & C WIdth & Upflow
3.5 Ton & Less Than 15 Seer
3.5 Ton & More or Equals to15 Seer
3.5 Ton & More Than Or Equal To 22 & Multi Posit
3.5 Ton & More Than Or Equal To 22 & Upflow
3.5 Ton & Packaged AC
3.5 Ton & Packaged Dual Fuel
3.5 Ton & Packaged Gas
3.5 Ton & Packaged Heat Pump
3.5 Ton & Residential
3.5 Ton & Residential & With Heat Kit & With Coi
3.5 Ton & Residential & Without Heat Kit & With
3.5 Ton & Undefined R454
3.5T & B Width & Horizontal
4 Ton & Less Than 15 Seer
4 Ton & Less Than 22 & Horizontal
4 Ton & Less Than 22 & Multi Position
4 Ton & Less Than 22 & Multi Position R454
4 Ton & Less Than 22 & Upflow
4 Ton & More Or Equals To 15 Seer
4 Ton & More Than Or Equal To 22 & Multi Position
4 Ton & More Than Or Equal To 22 & Upflow
4 Ton & Packaged Dual Fuel
4 Ton & Packaged Gas
4 Ton & Packaged Heat Pump
4 Ton & Residential & W
4 Ton & Residential & Without Heat Kit & With Coil
4 Ton & Undefined R32
4 Ton & Undefined R454
4 Ton R454
40000 To 49999 & 80%
40000 To 49999 & Higher Efficiency
41999BTU
5 Ton & C Width & Horizontal
5 Ton & Commercial & Any Seer
5 Ton & Commercial Packaged AC
5 Ton & Commercial Packaged Gas
5 Ton & Commercial Packaged Heat Pump
5 Ton & Less Than 15 Seer
5 Ton & Less Than 22 & Multi Position
5 Ton & Less Than 22 & Upflow
5 Ton & More Or Equals To 15 Seer
5 Ton & More Than Or Equal To 22 & Horizontal
5 Ton & More Than Or Equal To 22 & Multi Position
5 Ton & More Than Or Equal To 22 & Upflow
5 Ton & Multi Position R454
5 Ton & Packaged AC
5 Ton & Packaged Dual Fuel
5 Ton & Packaged Gas
5 Ton & Packaged Heat Pump
5 Ton & Residential & W
5 Ton & Residential & Without Heat Kit & With Coil
5 Ton & Undefined R32
5 Ton R454
50000 To 59999 & 80%
50000 To 59999 & Higher Efficiency
6 Ton Or Greater & Commercial & Any Seer
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6 Ton Or More & Commercial Packaged Heat Pump
6+ Ton & More Than Or Equal To 22 & Upflow
60000 To 69999 & 80%
60000 To 69999 & Higher Efficiency
70000 To 79999 & 80%
70000 To 79999 & Higher Efficiency
80000 To 89999 & 80%
80000 To 89999 & Higher Efficiency
90000 To 99999 & 80%
90000 To 99999 & Higher Efficiency
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AC Only & Indoor & 12000
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o HK & With C R454
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![Sea-Dog Smart Dual Battery Isolator [422790-1]](https://www.greathardwarehub.com/wp-content/uploads/2026/09/sea-dog-smart-dual-battery-isolator-422790-1.webp)