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Shurflo 183-039-08 Inline Water Pressure Regulator 50 PSI with Check Valve

Manufacturer

Shurflo

<h3>Shurflo: Trusted Water Pump Solutions for Marine and RV Applications</h3> <p>Shurflo, now part of the Pentair family, has built a reputation as one of the most trusted names in water pump technology for marine, recreational vehicle, and industrial applications. For decades, professionals and enthusiasts alike have relied on Shurflo's engineering expertise to deliver consistent, reliable fluid movement in demanding environments. From weekend boaters to full-time RVers, Shurflo pumps provide the dependable performance needed when you're away from shore power and municipal water connections.</p> <p>What sets Shurflo apart is the brand's commitment to efficient design and durable construction. Their pumps utilize demand-initiated automatic operation, which means the pump activates when you open a faucet and shuts off when you close it—conserving battery power and reducing wear. The multi-chamber diaphragm design minimizes pulsation, delivering smooth water flow without the hammering or surging common in lesser pumps. This attention to detail has made Shurflo the go-to choice for boat builders, RV manufacturers, and aftermarket upgraders who demand quality.</p> <h3>Marine Pumping Solutions</h3> <p>On the water, Shurflo products keep boats clean and fish healthy. The brand's <a href="/7568-shurflo-wash-down-pumps-systems-201156">wash down pumps and systems</a> deliver the high-pressure spray needed to rinse decks, clean fish, and remove salt residue after a day on the ocean. These compact, self-priming pumps can run dry without damage and handle the corrosive marine environment with ease. For anglers, <a href="/7568-shurflo-livewell-aerator-pumps-200624">livewell and aerator pumps</a> ensure baitfish and tournament catches stay lively by maintaining proper water circulation and oxygenation in livewells and baitwells.</p> <h3>RV and Mobile Water Systems</h3> <p>In recreational vehicles and mobile applications, fresh water delivery is essential for comfort and convenience. Shurflo's <a href="/7568-shurflo-water-pressure-system-pumps-201165">water pressure system pumps</a> bring household-quality water pressure to RVs, campers, and off-grid cabins, automatically maintaining consistent flow from sinks, showers, and appliances. Paired with quality <a href="/7568-shurflo-water-inlets-pressure-regulators-201163">water inlets and pressure regulators</a>, these systems protect against overpressure damage while ensuring safe, controlled water delivery whether you're connected to campground hookups or running from your freshwater tank.</p> <p>Shurflo's engineering philosophy centers on low amp draw, quiet operation, and long service life—critical factors when you're dependent on battery power or limited electrical capacity. The brand's pumps feature built-in thermal protection and check valves to prevent backflow, and many models offer tool-free maintenance for quick diaphragm or valve replacement in the field. Whether you're outfitting a new vessel, upgrading an aging RV system, or replacing a failed pump, Shurflo delivers proven technology backed by decades of refinement in real-world conditions.</p>

Part Number

183-039-08
07/12/2036 10:33 PM
Sale Price

$44.00

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

Live-in-stock inventory

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Fitment guaranteed

Fitment guaranteed

Product Details

The Shurflo 183-039-08 is an inline water pressure regulator designed to protect RV plumbing systems from high-pressure damage caused by city water connections. This compact pressure reducing valve combines a diaphragm-style regulator with a built-in check valve to limit incoming water pressure to a safe 50 PSI while preventing backflow into the municipal water supply.

Key Features:

  • Regulates city water pressure to a consistent 50 PSI output
  • Built-in check valve meets code requirements and prevents backflow
  • Diaphragm design provides continuous protection from pressure surges
  • 3/4" GHT (garden hose thread) female swivel inlet with standard hose compatibility
  • 1/2" NPSM male outlet for connection to RV water inlet
  • Compact inline design allows easy hose-mounted installation without permanent mounting
  • Durable cream-colored housing for corrosion resistance

This pressure regulator is essential for RV owners who frequently connect to campground or municipal water sources with varying or excessive water pressure. The combination regulator and check valve design eliminates the need for separate components, saving space and simplifying your water system setup. Simply thread it onto your water hose between the spigot and your RV's city water inlet for instant protection against pressure-related plumbing damage.

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