--- product_id: 145519938 title: "SEAFLO 03 Series Max 25A Bilge Pump Float Switch - 12V/24V Automatic Water Level Controller, No Filter Housing, 14 AWG 1m Wire for Marine Boat Pumps, SFBS-25-03A, 4-Year Warranty" brand: "seaflo" price: "1601442₫" currency: VND in_stock: true category: "Seaflo" url: https://www.desertcart.vn/products/145519938-seaflo-03-series-max-25a-bilge-pump-float-switch-12v store_origin: VN region: Vietnam --- # Max 25A heavy-duty current Precise 45-55mm ON / 20-25mm OFF levels Compact 120g, easy install no filter housing SEAFLO 03 Series Max 25A Bilge Pump Float Switch - 12V/24V Automatic Water Level Controller, No Filter Housing, 14 AWG 1m Wire for Marine Boat Pumps, SFBS-25-03A, 4-Year Warranty **Brand:** seaflo **Price:** 1601442₫ **Availability:** ✅ In Stock ## Summary > 🌊 Stay dry, stay ahead — the ultimate bilge pump float switch for pros who demand precision. ## Quick Answers - **What is this?** SEAFLO 03 Series Max 25A Bilge Pump Float Switch - 12V/24V Automatic Water Level Controller, No Filter Housing, 14 AWG 1m Wire for Marine Boat Pumps, SFBS-25-03A, 4-Year Warranty by seaflo - **How much does it cost?** 1601442₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/145519938-seaflo-03-series-max-25a-bilge-pump-float-switch-12v) ## Best For - seaflo enthusiasts ## Why This Product - Trusted seaflo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Powerful 25A Capacity:** Handles demanding marine pumps with ease for ultimate reliability. - • **Sleek No-Filter Design:** Compact and lightweight, perfect for tight bilge spaces without bulky housings. - • **Durable Ultrasonic Seal:** Leak-resistant, vibration-proof construction built to last in harsh marine environments. - • **Precision Water Level Control:** Automatically activates between 1.77"-1.97" and shuts off at 0.79"-0.98" for flawless bilge management. - • **Versatile Voltage Compatibility:** Works seamlessly with 12V, 24V, and 32V systems for broad marine applications. ## Overview The SEAFLO 03 Series Max 25A Bilge Pump Float Switch (SFBS-25-03A) is a compact, heavy-duty automatic water level controller designed for marine bilge pumps. Supporting up to 25 amps at 12V and compatible with 12V, 24V, and 32V systems, it features precise ON/OFF activation levels, a durable ultrasonic welded seal, and a no-filter housing design for easy installation in tight spaces. Ideal for fresh and saltwater use, it ensures reliable pump activation with a 4-year warranty, making it a trusted choice for professional boat owners. ## Description Buy SEAFLO 03 Series Max 25A Bilge Pump Float Switch - 12V/24V Automatic Water Level Controller, No Filter Housing, 14 AWG 1m Wire for Marine Boat Pumps, SFBS-25-03A, 4-Year Warranty: Pump Accessories - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - [ SPECIFICATIONS ]: Model: SFBS-25-03A | Series: 03 Series | Product Type: Automatic Bilge Pump Float Switch / Water Level Controller | Voltage Compatibility: 12V, 24V, 32V | Max Amps: 25A at 12V, 15A at 24V, 10A at 32V | Filter Housing: No | Wire Gauge: 14 AWG | Wire Lead Length: 1 m | Net Weight: 120g | Turn-On Level: 45-55 mm / 1.77"-1.97" | Turn-Off Level: 20-25 mm / 0.79"-0.98" - [ HEAVY DUTY FLOAT SWITCH ]: SEAFLO SFBS-25-03A is a heavy duty automatic float switch designed to control compatible bilge pumps based on water level. Built for 12V, 24V, and 32V marine systems, this switch helps activate the pump when bilge water rises and shut it off when the water level drops. - [ NO FILTER HOUSING DESIGN ]: This 03A model is the version without filter housing, making it a compact and lightweight choice for installations where a protective strainer housing is not needed. The simplified body is easy to position in tight bilge spaces and compatible marine pump layouts. - [ HIGH AMP CAPACITY ]: Designed for demanding bilge pump systems, the SFBS-25-03A supports up to 25A at 12V, 15A at 24V, and 10A at 32V. This heavy duty rating makes it a strong option for boat owners who need reliable automatic water level control for compatible marine pumps. - [ STABLE FLOAT STRUCTURE ]: The 03 Series uses a larger float and drive structure for improved stability during operation. This helps the switch respond consistently as water rises and falls, improving pump activation reliability in boat bilges, marine compartments, and onboard water management systems. - [ ULTRASONIC WELDED SEAL ]: SEAFLO 03 Series float switches use ultrasonic welding to form a sealed structure that is reliable, secure, and designed to resist leaking. This construction helps support long-term use in wet bilge environments where water exposure and vibration are common. - [ AUTOMATIC ON/OFF LEVELS ]: The SFBS-25-03A turns the pump on when water rises above approximately 45-55 mm / 1.77"-1.97" and turns the pump off when water drops below approximately 20-25 mm / 0.79"-0.98". This automatic response helps manage bilge water without constant manual control. - [ 14 AWG 1M WIRE LEAD ]: Equipped with 14 AWG wiring and a 1 meter wire lead, this float switch is built for practical marine installation. The wire setup supports secure connection to compatible bilge pump systems while giving installers flexibility in tight or compact bilge areas. - [ COMPACT & EASY INSTALLATION ]: With no filter housing, a compact switch body, and a net weight of only 120g, the SFBS-25-03A is easy to install in tight bilge spaces. Its simple float switch layout and automatic water level operation make it a practical replacement or upgrade for marine pump control systems. - [ FRESH & SALT WATER USE ]: SEAFLO float switches are designed for use with fresh water and salt water only. The SFBS-25-03A is ideal for boat bilges, marine pumps, automatic pump switching, and onboard water level control where dependable activation is needed. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07VG9K2V4 | | Best Sellers Rank | #36,474 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #24 in Water Pump Accessories #29 in Boat Bilge Pumps | | Brand | SEAFLO | | Brand Name | SEAFLO | | Circuit Type | 1-way | | Color | White | | Compatible with Vehicle Type | Boat | | Connectivity Protocol | X-10 | | Connector Type | Quick Connect | | Control Type | automatic | | Controller Type | Push Button | | Current Rating | 25 A | | Customer Reviews | 4.3 out of 5 stars 544 Reviews | | EU Spare Part Availability Duration | 4 years | | Global Trade Identification Number | 00700621157878 | | International Protection Rating | IP54 | | Item Dimensions | 5.2 x 2.99 x 1.29 inches | | Item Weight | 7.04 ounces | | Manufacturer | SEAFLO | | Material Type | Acrylonitrile Butadiene Styrene | | Model | SFBS-25-03A | | Mounting Type | Dive Mount | | Number of Items | 1 | | Number of Positions | 2 | | Operating Voltage | 32 volts | | Operation Mode | ON-OFF | | Part Number | PVBPFSSFBS00 | | Switch Type | Float Switch, Flow Switch | | UPC | 700621157878 793945653676 647336950045 796793285747 | | Unit Count | 1 Count | ## Product Details - **Brand:** SEAFLO - **Circuit Type:** 1-way - **Connector Type:** Quick Connect - **Current Rating:** 25 A - **Item dimensions L x W x H:** 5.2 x 2.99 x 1.29 inches - **Material:** Acrylonitrile Butadiene Styrene - **Mounting Type:** Dive Mount - **Operating Voltage:** 32 volts - **Operation Mode:** ON-OFF - **Switch Type:** Float Switch, Flow Switch ## Images ![SEAFLO 03 Series Max 25A Bilge Pump Float Switch - 12V/24V Automatic Water Level Controller, No Filter Housing, 14 AWG 1m Wire for Marine Boat Pumps, SFBS-25-03A, 4-Year Warranty - Image 1](https://m.media-amazon.com/images/I/5142M0+9E7L.jpg) ![SEAFLO 03 Series Max 25A Bilge Pump Float Switch - 12V/24V Automatic Water Level Controller, No Filter Housing, 14 AWG 1m Wire for Marine Boat Pumps, SFBS-25-03A, 4-Year Warranty - Image 2](https://m.media-amazon.com/images/I/71cY9313sbL.jpg) ![SEAFLO 03 Series Max 25A Bilge Pump Float Switch - 12V/24V Automatic Water Level Controller, No Filter Housing, 14 AWG 1m Wire for Marine Boat Pumps, SFBS-25-03A, 4-Year Warranty - Image 3](https://m.media-amazon.com/images/I/61UbqWJpLQL.jpg) ![SEAFLO 03 Series Max 25A Bilge Pump Float Switch - 12V/24V Automatic Water Level Controller, No Filter Housing, 14 AWG 1m Wire for Marine Boat Pumps, SFBS-25-03A, 4-Year Warranty - Image 4](https://m.media-amazon.com/images/I/71pkxIybVEL.jpg) ![SEAFLO 03 Series Max 25A Bilge Pump Float Switch - 12V/24V Automatic Water Level Controller, No Filter Housing, 14 AWG 1m Wire for Marine Boat Pumps, SFBS-25-03A, 4-Year Warranty - Image 5](https://m.media-amazon.com/images/I/71AjjCwo+iL.jpg) ## Available Options This product comes in different **Size** options. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vn/products/145519938-seaflo-03-series-max-25a-bilge-pump-float-switch-12v](https://www.desertcart.vn/products/145519938-seaflo-03-series-max-25a-bilge-pump-float-switch-12v) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-09-22*