
Quick overview
- Air relief included The lid comes with the air relief the Commander uses to bleed the tank.
- Commander cartridge filters The Val-Pak replacement for the American Products Commander filter lid.
- Val-Pak V38-150 Order by the part number, since filter lids are not interchangeable between families.
- Aftermarket replacement Val-Pak builds this as a replacement for the original lid.
- Bleeding the tank Air relief is what lets trapped air out on startup so the filter fills properly.
- Common failure point Lids crack around the relief and the clamp band, and a cracked lid cannot be sealed.
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Product details
The Val-Pak V38-150 is a replacement lid with air relief for American Products Commander cartridge filters. It is the part to order when the original lid is cracked, distorted or no longer seals.
Why lids fail
A filter lid spends its life under pressure, in sunlight, and gets removed and clamped down again every time the cartridge is cleaned. Over the years the plastic goes brittle, and cracks tend to start around the air relief boss or where the clamp band bears on the rim. Once the lid is cracked, no amount of tightening will hold pressure, and overtightening usually finishes it off.
Air relief
The relief is how the tank is bled. Open it on startup and leave it open until water comes out, so the tank is full of water rather than running with a pocket of trapped air. This lid comes with that relief.
| Brand | Val-Pak |
|---|---|
| Manufacturer part number | V38-150 |
| Type | Filter lid with air relief |
| Fits | American Products Commander cartridge filters |
| Included | Lid with air relief |
| Shipping weight | 1.85 lb |
| Ships | Parcel |
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