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DC HOUSE 33 Series 12V RV Water Pump 3.5GPM 45PSI, 3-Chamber Diaphragm Pump with Built-in Pressure Switch, Quiet Self-Priming Demand Pump for Camper, Boat, Cabin, Off-Grid System — Open-Box, 5% Off
Brand: DC HOUSE
Condition: Used
$3799
$3999
-5% Save $200
Updated: 14 hours 6 mins ago
Description
Stable & Powerful Flow: Features a 3-chamber diaphragm design that delivers a smooth flow up to 3.5 gallons per minute with a 45 PSI shut-off pressure; provides consistent water pressure, reduces pulsation for longer pump life, and meets demand for multiple fixtures simultaneously
Quiet Operation: Includes a noise-dampening rubber mounting base to absorb vibration and motor sound; optimized construction and flexible support work together to significantly reduce operational noise, ensuring a peaceful environment in your RV or cabin
Automatic On-Demand Control: Built-in adjustable automatic pressure switch offers convenient, hands-free operation; the pump activates when water flow is detected and shuts off automatically when not in use; pressure can be adjusted from 40 to 80 PSI to suit your preference
Durable & Reliable Motor: Powered by a high-performance copper-wound motor for strong, lasting performance; integrated overload protection helps prevent motor burnout; dry-run capability safeguards the pump core in case of accidental dry operation
Strong Self-Priming & Easy Installation: Self-priming lift up to 9.8 feet allows for flexible placement; designed for straightforward integration into existing water systems, making it an easy upgrade or reliable backup installation
DC HOUSE 12V RV Water Pump: Reliable Water Power for Your Adventures
Tired of weak, pulsing water pressure or a noisy pump disrupting the peace in your RV, boat, or cabin? The DC HOUSE 12V Water Pump is engineered to deliver the consistent, robust, and quiet water flow you need for a truly comfortable off-grid or mobile living experience. Designed with a professional-grade 3-chamber diaphragm system, it’s the reliable heart for your water system, ensuring performance you can count on trip after trip.
Engineered for Superior Performance & Durability
At the core of this pump is an advanced three-chamber diaphragm design. This isn’t just a specification—it’s the key to smoother, more consistent water delivery with significantly reduced pulsation compared to standard pumps. The result is a steady stream at a powerful 3.5 gallons per minute and a solid 45 PSI shut-off pressure, minimizing wear on the pump and your plumbing for longer system life.
Whisper-Quiet Operation for Peaceful Environments
Your sanctuary should be quiet. We’ve integrated a combination of engineering solutions to minimize noise, including a specialized rubber mounting base that absorbs vibration and dampens sound. This focus on quiet operation means you can run water at night or in a small cabin without the disruptive hum common to other pumps.
Smart, Automatic, and Easy to Control
Enjoy the convenience of true on-demand water pressure. The built-in, adjustable automatic pressure switch (adjustable from 40 to 80 PSI) provides hands-free operation. It instantly activates the pump when you open a faucet and shuts it off automatically when you’re done, conserving battery power and simplifying your use.
Built to Last with Professional-Grade Features
Reliability is non-negotiable. This pump is powered by a high-efficiency copper-wound motor designed for extended service. It includes critical protective features like integrated overload protection and dry-run capability, safeguarding the motor from burnout or damage if the water source runs dry accidentally.
Easy Installation & Broad Compatibility
Whether you’re upgrading an old, failing pump or installing a dependable backup, the process is straightforward. With a self-priming lift of up to 9.8 feet and universal fittings, it offers flexible installation options and is designed as a direct replacement for most standard OEM RV pumps. Its versatility extends beyond RVs to boats, tiny homes, cabins, and off-grid solar systems.
Your Ideal Water Solution for the Road, Water, or Woods
From your RV shower and kitchen sink to your boat’s galley or cabin faucet, this pump delivers stable pressure to multiple fixtures simultaneously. It’s the perfect upgrade for smoother showers, faster dishwashing, and more dependable water access wherever your adventures take you.
Technical Specifications:
Model: DPHC-T33-12V
Operating Voltage: 12V DC
Maximum Flow Rate: 3.5 GPM (13.2 L/min)
Maximum Pressure: 45 PSI (3.1 bar)
Self-Priming Lift: 9.8 ft (3.0 m)
Maximum Head: 131 ft (40 m)
Protection Temperature: Auto-shutoff at 140°F (60°C)
Maximum Current: 9 A
Port Size: Standard 1/2"" NPT (check for specific model fit)
Choose the DC HOUSE 12V Water Pump for a seamless upgrade to your water system—where power, quiet, and reliability meet.
Tired of weak, pulsing water pressure or a noisy pump disrupting the peace in your RV, boat, or cabin? The DC HOUSE 12V Water Pump is engineered to deliver the consistent, robust, and quiet water flow you need for a truly comfortable off-grid or mobile living experience. Designed with a professional-grade 3-chamber diaphragm system, it’s the reliable heart for your water system, ensuring performance you can count on trip after trip.
Engineered for Superior Performance & Durability
At the core of this pump is an advanced three-chamber diaphragm design. This isn’t just a specification—it’s the key to smoother, more consistent water delivery with significantly reduced pulsation compared to standard pumps. The result is a steady stream at a powerful 3.5 gallons per minute and a solid 45 PSI shut-off pressure, minimizing wear on the pump and your plumbing for longer system life.
Whisper-Quiet Operation for Peaceful Environments
Your sanctuary should be quiet. We’ve integrated a combination of engineering solutions to minimize noise, including a specialized rubber mounting base that absorbs vibration and dampens sound. This focus on quiet operation means you can run water at night or in a small cabin without the disruptive hum common to other pumps.
Smart, Automatic, and Easy to Control
Enjoy the convenience of true on-demand water pressure. The built-in, adjustable automatic pressure switch (adjustable from 40 to 80 PSI) provides hands-free operation. It instantly activates the pump when you open a faucet and shuts it off automatically when you’re done, conserving battery power and simplifying your use.
Built to Last with Professional-Grade Features
Reliability is non-negotiable. This pump is powered by a high-efficiency copper-wound motor designed for extended service. It includes critical protective features like integrated overload protection and dry-run capability, safeguarding the motor from burnout or damage if the water source runs dry accidentally.
Easy Installation & Broad Compatibility
Whether you’re upgrading an old, failing pump or installing a dependable backup, the process is straightforward. With a self-priming lift of up to 9.8 feet and universal fittings, it offers flexible installation options and is designed as a direct replacement for most standard OEM RV pumps. Its versatility extends beyond RVs to boats, tiny homes, cabins, and off-grid solar systems.
Your Ideal Water Solution for the Road, Water, or Woods
From your RV shower and kitchen sink to your boat’s galley or cabin faucet, this pump delivers stable pressure to multiple fixtures simultaneously. It’s the perfect upgrade for smoother showers, faster dishwashing, and more dependable water access wherever your adventures take you.
Technical Specifications:
Model: DPHC-T33-12V
Operating Voltage: 12V DC
Maximum Flow Rate: 3.5 GPM (13.2 L/min)
Maximum Pressure: 45 PSI (3.1 bar)
Self-Priming Lift: 9.8 ft (3.0 m)
Maximum Head: 131 ft (40 m)
Protection Temperature: Auto-shutoff at 140°F (60°C)
Maximum Current: 9 A
Port Size: Standard 1/2"" NPT (check for specific model fit)
Choose the DC HOUSE 12V Water Pump for a seamless upgrade to your water system—where power, quiet, and reliability meet.
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Product Details
- SKU:
- awhd-us-b0gj2tyb21
- Model:
- DPHC-T33-12V
- Country:
- US
- ASIN:
- B0GJ2TYB21
Shopping Smarter
Common questions about buying open-box and refurbished.
Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $2 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for DC HOUSE products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.
