1. Introducció
The Wayne ESP25 Upgraded 12-Volt Battery Backup System is designed to provide reliable protection for your basement against flooding, especially during power outages. This system ensures continuous operation of your sump pump, offering peace of mind and safeguarding your property from water damage.
It features an epoxy-coated steel and cast iron construction for durability, and is capable of moving up to 2900 gallons per hour (GPH) at 0 feet of head. The corrosion-resistant thermoplastic battery box protects the battery and charging controls, ensuring long-term performance.

Figura 1: Mésview of the Wayne ESP25 Battery Backup Sump Pump System, showing the pump unit, battery box, and associated cables and float switch.
2. Informació de seguretat
ADVERTÈNCIA: aquest producte us pot exposar a substàncies químiques, com ara el plom, que l'estat de Califòrnia sap que causa càncer i defectes de naixement o altres danys reproductius. Per a més informació aneu a www.P65Warnings.ca.gov.
- Només per a ús interior: This system is designed for indoor use in basements. Do not install in outdoor environments or areas exposed to direct weather.
- Seguretat elèctrica: Always disconnect power before performing any maintenance or installation. Ensure all electrical connections are secure and comply with local electrical codes.
- Manipulació de la bateria: Use only recommended 12-volt deep cycle batteries (e.g., WAYNE WSB1275 75 AH Battery, not included). Handle batteries with care and ensure proper ventilation during charging to prevent gas buildup.
- Seguretat de l'aigua: Do not operate the pump without water. Ensure the sump basin is clear of debris to prevent pump damage.
- Instal·lació professional: If you are unsure about any installation steps, consult a qualified plumber or electrician.
3. Què hi ha a la caixa
Verifiqueu que tots els components siguin presents abans de començar la instal·lació:
- Back up pump
- Caixa de piles
- Reed float switch
- Adaptador/carregador de corrent
- Associated cables and connectors

Figure 2: The main components of the ESP25 system, including the pump, battery case, and float switch assembly.
4. Configuració
4.1 Llista de comprovació prèvia a la instal·lació
- Ensure you have a suitable 12-volt deep cycle battery (e.g., WAYNE WSB1275 75 AH Battery).
- Verify your sump basin is at least 14 inches in diameter to accommodate the unit.
- Gather necessary tools: screwdriver, pipe wrench, PVC cement, tape measure, etc.
- Review el ple Manual d'instal·lació (PDF) per obtenir instruccions detallades.
4.2 Passos d'instal·lació
- Prepare the Sump Basin: Assegureu-vos que el càrter basin is clean and free of debris.
- Posició de la bomba: Place the ESP25 pump unit in the sump basin. Its compact design allows it to fit in 14-inch diameter or larger basins.
- Connect Discharge Pipe: Connect the pump to your existing discharge piping. The unit is designed for easy integration.
- Install Float Switch: The integrated vertical float switch should be positioned to activate the pump at the desired water level. No need to drill a weep hole.
- Connecta la bateria: Place the 12-volt deep cycle battery (not included) inside the protective battery box. Connect the battery cables from the pump system to the battery terminals, ensuring correct polarity (red to positive, black to negative).
- Connectar l'alimentació: Plug the system's power adapter into a standard 120V AC outlet. The system will begin charging the battery and monitoring water levels.
- Prova de funcionament: Manually lift the float switch to ensure the pump activates and discharges water correctly. Verify the LED display and audible alarm function.

Figure 3: Product dimensions of the Wayne ESP25 system: 17 inches (L) x 10.5 inches (W) x 14 inches (H).
5. Instruccions de funcionament
5.1 Funcionament automàtic
The Wayne ESP25 system operates automatically. The integrated vertical float switch monitors the water level in your sump basin. When the water level rises to a predetermined point, the float switch activates the pump, which then removes the water from the basin. Once the water level drops, the pump will automatically shut off.
5.2 Battery Backup Function
En cas d'una potènciatage, the system seamlessly transitions to battery power. The 12-volt battery (not included) provides the necessary power to continue pumping, ensuring your basement remains dry even when the main power supply is interrupted. The system's smart charging technology maintains the battery at optimal levels when AC power is available.
An audible alarm and LED display on the protective battery case will notify you if there is a problem or if the backup system is active, providing immediate alerts to potential issues.
6. Manteniment
Regular maintenance ensures the longevity and reliable operation of your Wayne ESP25 system:
- Control mensual: Test the system monthly by manually lifting the float switch to ensure the pump activates. Verify water is discharged and the alarm sounds if applicable.
- Inspecció de la bateria: Check battery terminals for corrosion and clean if necessary. Ensure the battery is fully charged. Replace the battery every 3-5 years, or as recommended by the battery manufacturer.
- Sump Basin Neteja: Inspeccioneu periòdicament el càrter basin for debris, dirt, or sediment that could obstruct the pump or float switch. Clean as needed.
- Discharge Pipe Check: Ensure the discharge pipe is free of blockages and that the check valve (if installed) is functioning correctly.
7. Solució De Problemes
Consulteu la taula següent per veure els problemes habituals i les seves possibles solucions:
| Problema | Causa possible | Solució |
|---|---|---|
| La bomba no s'encén. | No power to unit; Float switch stuck; Battery discharged. | Check power outlet and connections; Clear float switch path; Recharge or replace battery. |
| La bomba funciona contínuament. | Float switch stuck in ON position; Check valve faulty; Continuous water inflow. | Clear float switch; Inspect/replace check valve; Address source of continuous water. |
| La bomba funciona però no surt aigua. | Discharge pipe blocked; Impeller clogged; Airlock. | Clear blockage in pipe; Clean impeller; Ensure pump is fully submerged and free of air. |
| Audible alarm sounds. | Potència outage; Low battery; System malfunction. | Check main power; Check battery charge; Consult user manual or support. |
For more detailed troubleshooting, please refer to the complete user manual or contact Wayne customer support.
8. Especificacions tècniques
| Especificació | Detall |
|---|---|
| Marca | Wayne |
| Número de model | ESP25 |
| Voltage | 12 Volts |
| Caudal màxim | 45 Gallons Per Minute (2700 GPH at 0 ft head) |
| Alçada màxima d'elevació | 10 peus |
| Material | Epoxy-coated Steel and Cast Iron (pump), Thermoplastic (battery box) |
| Dimensions del producte (L x A x A) | 17 cm de llargada x 10.5 cm d'amplada x 14 cm d'alçada |
| Pes de l'article | 13.5 lliures |
| Components inclosos | Back up pump, battery box, reed float switch |
| Piles incloses? | No (Requires 12V deep cycle battery) |
9. Garantia i Suport
9.1 Informació de la garantia
The Wayne ESP25 Upgraded 12-Volt Battery Backup System comes with a Garantia del fabricant de 2 anysAquesta garantia cobreix els defectes de materials i de fabricació en condicions d'ús i servei normals. Si us plau, conserveu el comprovant de compra per a reclamacions de garantia.
9.2 Additional Resources & Support
For further assistance, detailed diagrams, or to contact customer support, please refer to the official documentation:
- Manual d'usuari (PDF)
- Manual d'instal·lació (PDF)
- Visita el Wayne Store on Amazon per a més productes i informació.
For technical support or service inquiries, please contact Wayne customer service directly. Contact information can typically be found on the manufacturer's website or within the provided physical documentation.





