The standard replacement pump for travel trailers and campers, with a 55 psi switch and a bypass for smoother flow. Buy it to replace a worn 4008 like for like.
Amazon $127.05
A low-draw 2.3 GPM pump for a small camper or van with one fixture in use at a time. Larger rigs get more water per dollar from a 3 GPM pump.
- 2.3 GPMFlow
- 50 psiShut-off
- 5 AMax draw
- Pressure switchControl
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
- Draws only 5 A, easy on a small battery bank
- Internal bypass and thermal overload protection
- Runs dry without damage when the tank empties
- 2.3 GPM struggles to run a shower and a tap together
- Costs about as much as pumps with far more flow
- Pentair publishes no warranty term for it
The Shurflo Revolution family
Every Shurflo Revolution model we rank, smallest first. Ratings compare each against its own flow.
| Model | Flow | Rating | Price |
|---|---|---|---|
| Shurflo Revolution 4028 2.3 GPM (this one) | 2.3 GPM | 2.5/5 | $120.10 |
| Shurflo Revolution 4008 3.0 GPM | 3 GPM | 2.7/5 | $127.05 |
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its flow. How we rank explains each one.
Specifications
| Model number | 4028-100-E54 |
|---|---|
| Performance | |
| Rated open flow | 2.3 GPM |
| Shut-off pressure | 50 psi |
| Max current draw | 5 A |
| Price per GPM | $52.22 |
| Self-priming lift | 6 ft |
| Features | |
| Control | Pressure switch |
| Diaphragm chambers | 4 |
| Internal bypass | Yes |
| Runs dry | Yes |
| Thermal protection | Yes |
Alternatives in this flow
A low-pressure pump for boats and gravity-style systems where gentle 25 psi flow is wanted. Most RVs want a 45 to 55 psi pump instead.
Amazon $121.48A heavy-duty 3 GPM marine pump with a 3-year warranty. It costs more than lighter pumps with higher pressure.
Amazon $166.06Compare
Compare the Shurflo Revolution 4028 2.3 GPM with any other RV water pump →
More from Shurflo: every Shurflo product ranked.