Description
DOMETIC Water Pump Kit M18-3147 | Boat Supply Store
This DOMETIC Water Pump Kit ensures consistent freshwater pressure for onboard systems. Engineered with a self-priming capability up to 3 feet, it reliably supplies water from tanks to faucets and showers. The sealed motor design enhances durability against moisture and corrosion, critical for marine environments like coastal cruising on a Bertram 31.
Key Features
- Self-priming capability for easy startup
- Sealed motor for enhanced durability
- Quiet operation to maintain onboard tranquility
- Built-in pressure switch for automatic demand control
- Corrosion-resistant materials for longevity
- Compact design for straightforward installation
- High flow rate for efficient water delivery
- Low power draw to conserve battery life
Specifications
| Product Specifications | |
|---|---|
| Brand | DOMETIC |
| SKU | M18-3147 |
| Flow Rate | 3.0 GPM |
| Pressure Switch Setting | 45 PSI |
| Voltage | 12 VDC |
| Amperage Draw | 8 A |
| Inlet/Outlet Ports | 1/2" NPT |
| Material | Diaphragm: Santoprene; Valves: EPDM |
Who This Is For
This water pump kit is designed for boat owners requiring a dependable freshwater supply for galley, head, and washdown applications. It's ideal for replacing aging or malfunctioning pumps in cruising sailboats and sportfishing vessels.
How It Compares
| Feature | DOMETIC Water Pump Kit M18-3147 | Competitor |
|---|---|---|
| Flow Rate | 3.0 GPM | 3.0 GPM |
| Pressure Switch | 45 PSI | 50 PSI |
| Voltage | 12 VDC | 12 VDC |
| Self-Priming | Yes (3 ft) | Yes |
| Motor Type | Sealed | Open |
Common Concerns Answered
Will this pump provide enough water pressure for my boat's needs?
With a 3.0 GPM flow rate and a 45 PSI pressure switch, this DOMETIC pump is suitable for typical marine plumbing systems, including multiple outlets like a galley sink and a shower.
Is the motor protected from moisture and corrosion?
Yes, the sealed motor design is specifically engineered to resist water ingress and corrosion, ensuring longer operational life in the demanding marine environment.
How difficult is it to install this water pump kit?
Installation difficulty is rated at 1 out of 5, indicating it is a straightforward process for most DIY boaters with basic plumbing and electrical knowledge.
Frequently Asked Questions
What is the maximum vertical lift capability of this pump?
While the pump is self-priming up to 3 feet of vertical lift, its overall pumping head capability is designed for typical onboard plumbing runs, not extreme vertical pumping.
Can I connect this pump directly to my freshwater tank?
Yes, this pump is designed to be connected to a freshwater tank, drawing water through an appropriate inlet fitting and filter.
What is the expected lifespan of this DOMETIC water pump?
Lifespan varies based on usage and maintenance, but the sealed motor and robust construction are designed for extended service life in marine applications.
Does this kit include all necessary fittings for installation?
The kit includes the water pump itself. Standard NPT fittings for inlet and outlet connections are required and should be sourced separately based on your plumbing configuration.
What type of maintenance is required for this pump?
Periodic checks of the inlet strainer for debris and ensuring connections are secure are recommended. The sealed motor generally requires no internal maintenance.
