💧 Sensor PCB, Zodiac Polaris Caretaker UltraFlex 2 Valve
Made by Polaris/Zodiac, manufacturer part number 3-7-650.
📏 Specifications
| Specification | Value |
|---|---|
| Brand | Polaris/Zodiac |
| Manufacturer part number | 3-7-650 |
| Pool Cleaner Part Type | PCB |
| Pool Cleaner Model | Caretaker UltraFlex 2 |
| Catalog description | Sensor PCB, Zodiac Polaris Caretaker UltraFlex 2 Valve |
Exploded parts diagram: This part is shown as item #4 on the Zodiac Polaris Caretaker UltraFlex 2 8-Port In-Floor Valve exploded parts diagram.
🔧 Zodiac Polaris Caretaker UltraFlex 2 8-Port In-Floor Valve – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | _1-9-144 |
| – | _1-9-182 |
| – | _3-7-153 |
| – | Zodiac Ultraflex2 Controller (Only) Pcb Uf Ll |
| – | Transformer, Zodiac Polaris UltraFlex 2 |
| – | O-Ring Kit, Zodiac Polaris UltraFlex |
| 14 | 86-100-1058 |
| 13 | 87-100-2251 |
| 12 | Press Switch Assy, Zod Polrs UltraFlex/UltraFlex 2 Valve |
| 10 | 87-110-2249 |
| 10 | 87-100-2249 |
| 9 | Wall Insert, Zod Polaris Caretaker UltraFlex 2 Valve, qty 8 |
| 9 | 87-110-2248 |
| 8 | O-Ring Kit, Zod Polrs Caretaker UltraFlex 2 Valve,w/Tee Assy |
| 7 | 86-100-W035K7 |
| 6 | Lid Assembly, Zodiac Polaris Caretaker UltraFlex 2 Valve |
| 5 | Sensor Plate Assy,Zodiac Polaris Caretaker UltraFlex 2 Valve |
| 4 | Sensor PCB, Zodiac Polaris Caretaker UltraFlex 2 Valve ◀ this part |
| 3 | Sensor PCB Cover, Zodiac Polaris Caretaker UltraFlex 2 Valve |
| 2 | Start-Up Kit, Zodiac Polaris Caretaker UltraFlex 2 Valve |
| 1 | Lid, Zodiac Polaris Caretaker UltraFlex 2 Valve |
🔧 Exploded diagram and parts
This part belongs to the Zodiac Polaris Caretaker UltraFlex 2 8-Port In-Floor Valve assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 1 | ![]() |
Lid, Zodiac Polaris Caretaker UltraFlex 2 Valve | 3-7-302 | Available to order | $64.08 | |
| 2 | ![]() |
Start-Up Kit, Zodiac Polaris Caretaker UltraFlex 2 Valve | 4-7-310 | 1 in stock | $649.73 | |
| 5 | ![]() |
Sensor Plate Assy, Zodiac Polaris Caretaker UltraFlex 2 Valve | 2-7-304 | 4 in stock | $89.59 | Add to cart |
| 6 | ![]() |
Lid Assembly, Zodiac Polaris Caretaker UltraFlex 2 Valve | 2-7-300 | 1 in stock | $138.04 | Add to cart |
| 7 | ![]() |
O-Ring, Buna-N, 7" ID, 3/16" Cross Section, Generic | 365-7470-10 | 41 in stock | $2.66 | Add to cart |
| 8 | ![]() |
O-Ring Kit, Zod Polrs Caretaker UltraFlex 2 Valve, w/Tee Assy | 3-7-625 | 4 in stock | $139.48 | Add to cart |
| 9 | ![]() |
Wall Insert, Zod Polaris Caretaker UltraFlex 2 Valve, qty 8 | 3-7-109 | Available to order | $78.98 | |
| 12 | ![]() |
Press Switch Assy, Zod Polrs UltraFlex/UltraFlex 2 Valve | 4-7-2 | 6 in stock | $80.24 | Add to cart |
![]() |
Zodiac Ultraflex2 Controller (Only) Pcb Uf Ll | 3-7-720 | 3 in stock | $143.21 | Add to cart |
Complete o-ring kits
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
![]() |
O-Ring Kit, Zodiac Polaris UltraFlex | 4-7-4 | Available to order | $97.53 |














