💧 O-Ring, Zodiac Laars XL-2, Heat Exchanger, Quantity 12
Made by Jandy, manufacturer part number R0391600.
📏 Specifications
| Specification | Value |
|---|---|
| Brand | Jandy |
| Manufacturer part number | R0391600 |
| Part Type | O-ring |
| Cross Section | 1/4″ |
| Inside Diameter | 1-7/16″id |
| Catalog description | O-Ring, Zodiac Laars XL-2, Heat Exchanger, Quantity 12 |
Exploded parts diagram: This part is shown as item #32 on the Waterpik Laars XL-2 (1974-1998) & Oil Fired XL-3 (1999-2007) exploded parts diagram.
🔧 Waterpik Laars XL-2 (1974-1998) & Oil Fired XL-3 (1999-2007) – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.
| No. | Part |
|---|---|
| – | Oil Filter Cartridge, Zodiac Laars XL-2 |
| – | Cad Cell, Jandy Pro Series XL-3/2000/3000, Flame Detector |
| – | 47-100-1002 |
| 46 | Sleeve, Zodiac Jandy Telestar, 1-5/8" |
| 45 | Gasket, Zodiac Laars Elecktra/EPC/EPG/Telestar/EG/ES, Flange |
| 42 | 46-295-W027K42 |
| 41 | Retainer Shaft, Zodiac Laars Telestar/XL-2 |
| 40 | Bypass Valve, Zodiac Laars Telestar/XL-2 |
| 37 | Brass Plug, Zodiac Jandy Laars EPC/ESC/ESG/EPH/Lite, 1/4"mpt |
| 32 | O-Ring, Zodiac Laars XL-2, Heat Exchanger, Quantity 12 ◀ this part |
| 21 | On/Off Switch Kit, Zodiac Laars XL-2 |
| 15 | 46-295-W027K15 |
| 11 | Pressure Switch 3035, 25A, Tecmark, 1/8"mpt, SPNO, 1-10 PSI |
| 6 | Temperature Control Knob, Zodiac Jandy Laars Elecktra II/EPC |
| 5 | Temperature Control Kit, Zodiac Laars Elecktra/EPC/Telestar |
| – | Oil Filter, Zodiac Laars XL-2 |
| 4 | Oil Line, Zodiac Laars XL-2, Pump to Filter |
🔧 Exploded diagram and parts
This part belongs to the Waterpik Laars XL-2 (1974-1998) & Oil Fired XL-3 (1999-2007) assembly. Everything listed below is something we stock for it, and the numbers match the diagram.
Bypass Valves
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 37 | ![]() |
Brass Plug, Zodiac Jandy Laars EPC/ESC/ESG/EPH/Lite, 1/4"mpt | P0026800+ | 7 in stock | $7.64 | Add to cart |
| 40 | ![]() |
Bypass Valve, Zodiac Laars Telestar/XL-2 | S0074200 | 17 in stock | $8.12 | Add to cart |
Hi-Limits
| No. | Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|---|
| 6 | ![]() |
Temperature Control Knob, Zodiac Jandy Laars Elecktra II/EPC | R0010700 | 6 in stock | $13.41 | Add to cart |
| 11 | ![]() |
Pressure Switch 3035, 25A, Tecmark, 1/8"mpt, SPNO, 1-10 PSI | 3035 | 5 in stock | $26.37 | Add to cart |
| 15 | ![]() |
Hi-Limit, Zodiac Jandy Laars EPC/ESC/EPG/ESG/HI-E, 150degF | R0023000 | Available to order | $63.26 |
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|---|---|---|---|---|---|
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