Boost Pump 12/24-Volt
$398.00
This is a direct replacement boost pump for all Spectra models that use a boost pump from the Catalina 340 up to the NewPort 1000
What does the boost pump do on a Spectra Watermaker?
The boost pump supplies a steady flow of seawater to the feed pump, ensuring the feed pump always has a positive water supply. This reduces strain on the feed pump, improves overall system performance, and helps extend the life of the pump.
Boost pumps are especially important on systems that use Procon feed pumps, as they prevent the feed pump from having to pull seawater through the intake plumbing on its own.
Which Spectra Watermaker models use a boost pump?
The following Spectra Watermaker models are equipped with factory-installed boost pumps:
- Catalina 340 – One boost pump
- Newport 400 – One boost pump
- Newport 700 – Two boost pumps
- Newport 1000 – Two boost pumps
- Farallon 1800 & Farallon 2800 – One larger March boost pump
These systems rely on the boost pump to maintain proper water flow to the feed pump and high-pressure components.
Which Spectra Watermaker models do not use a boost pump?
The following models do not typically require a factory-installed boost pump:
- Ventura 150
- Ventura 200T
- Cape Horn Extreme 330
However, some installations may benefit from adding a boost pump. If the seawater intake hose is unusually long, has excessive bends, or rises above the waterline before reaching the feed pump, a boost pump can improve water flow and system performance.
How do I know if my Spectra Watermaker boost pump is bad?
A failing boost pump may not provide enough seawater flow to the feed pump, resulting in poor system performance or difficulty building pressure.
A quick diagnostic test is to inspect the water flow from the boost pump:
- Verify that the intake plumbing—from the through-hull fitting to the first pre-filter—is clean and free of blockages.
- Remove the first pre-filter canister and set it aside.
- Place the system in RUN MAN mode using the manual run toggle switch.
- Observe the open pre-filter housing.
A properly functioning boost pump should produce a steady flow of seawater into the pre-filter housing.
If little or no water is flowing, the boost pump, intake plumbing, or another upstream component may require further inspection.
What are the symptoms of a failing Spectra Watermaker boost pump?
Common signs of a failing boost pump include:
- Difficulty building operating pressure
- Reduced freshwater production
- Feed pump cavitation or excessive noise
- Intermittent water flow
- Little or no water reaching the pre-filter
- Feed pump running dry or struggling to prime
Before replacing the boost pump, always inspect the through-hull fitting, intake strainer, hoses, and pre-filters for restrictions.
Where should a Spectra Watermaker boost pump be installed?
The boost pump should always be mounted below the vessel’s waterline.
For optimal performance, the seawater intake plumbing leading to the boost pump should also remain below the waterline whenever possible. This helps maintain a flooded suction, prevents air from entering the system, and allows the pump to operate reliably.
Installing the boost pump above the waterline can make priming difficult and may reduce pump performance.
Do I need a boost pump if my Spectra Watermaker has a feed pump module?
It depends on your specific Spectra Watermaker model.
Some models are designed to operate with both a feed pump and a boost pump, while others rely solely on the feed pump. Always follow the original factory configuration for your model.
If you’re unsure which setup your system requires, verify your model or contact us for assistance.
Should I add a second boost pump to my Spectra Watermaker?
In most cases, no.
Spectra Watermakers are designed to operate with the number of boost pumps specified by the manufacturer. Adding a second boost pump is rarely necessary.
An additional boost pump may occasionally be recommended when:
- The seawater intake plumbing is unusually long.
- The intake routing creates excessive suction loss.
- Installation constraints make it difficult to maintain adequate water flow.
If you’re experiencing low flow or pressure issues, it’s best to diagnose the cause before adding another boost pump.
| Dimensions | 5 × 4 × 4 in |
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