Pressure Relief Valve 3/4" MNPT x FNPT 150-PSI Bronze Cash Acme #14737-0150 #FWL-2 Ensure safe and reliable pressure control in recreational vehicle (RV) water heater systems with the Cash Acme 14737-0150 FWL-2 3/4-inch Pressure Relief Valve ? a durable, 150 PSI-rated safety valve engineered for performance and compliance. Constructed with a lead-free bronze body and high-quality internal components, this valve provides dependable overpressure protection to prevent damage to water heaters and plumbing systems. Designed for RV and mobile applications, the FWL-2 features a 1.5-inch Female Iron Pipe (FIP) inlet and a 3/4-inch FNPT (Female National Pipe Taper) outlet, allowing for secure, leak-resistant connections in standard water heater installations. The internal components include a brass poppet, stainless steel spring, and a silicone seat disc, ensuring long-term durability, corrosion resistance, and a tight seal under repeated use. Rated for a maximum operating pressure of 150 PSI, this pressure relief valve automatically opens to release excess pressure when system limits are exceeded, safeguarding the water heater tank from rupture or failure. The compact design measures just 1 x 1.5 x 4.25 inches and weighs 7.4 ounces, making it easy to install and replace in tight compartments. Certified to ASSE 1003 and CSA B356 standards, and compliant with NSF 319 for lead-free requirements, this valve meets rigorous safety and environmental regulations for potable water systems. It is assembled and tested at Cash Acme?s manufacturing facility in Cullman, Alabama, ensuring consistent quality and reliability. Shipped as a single unit with no additional components, the 14737-0150 is a direct replacement for standard RV water heater relief valves and is widely used by RV owners, technicians, and repair centers. Features - 3/4-inch pressure relief valve for RV and mobile water heaters - 150 PSI rated for safe overpressure protection - Lead-free bronze body for durability and code compliance - 1.5-inch FIP inlet and 3/4-inch FNPT outlet for standard connections - Internal parts made of brass, stainless steel, and silicone for long life - Silicone seat disc ensures a tight, leak-resistant seal - Spring-loaded design for automatic pressure release - Compact size: 1 x 1.5 x 4.25 inches - Certified to ASSE 1003 and CSA B356 standards - NSF 319 compliant for lead-free potable water applications Specifications - Brand Name: Cash Acme - Model Name: Cash Acme 14737-0150 - Part Number: 14737-0150 - UPC: 697285147379 - Global Trade Identification Number: 00697285147379 - Product Type: Pressure Relief Valve - Valve Type: Pressure Relief Valve - Maximum Operating Pressure: 150 PSI - Inlet Connection Size: 1.5 inches - Inlet Connection Type: Female Iron Pipe (FIP) - Outlet Connection Size: 3/4 inch - Outlet Connection Type: FNPT - Number of Ports: 1 - Material: Brass, Bronze, Stainless Steel - Primary Material: Bronze - Color: Bronze - Exterior Finish: Stainless Steel, Silicone, Brass - Specification Met: CSA, ANSI Z21, ASSE 1003 - Item Weight: 7.4 oz - Product Dimensions: 1 x 1.5 x 4.25 inches - Item Package Quantity: 1 - Included Components: Pressure Relief Valve - Manufacturer: Cash Acme - Country of Origin: United States Product Application The Cash Acme 14737-0150 FWL-2 Pressure Relief Valve is designed for use in RV, trailer, and mobile home water heating systems requiring reliable overpressure protection. It is installed directly on water heater tanks to automatically release excess pressure and prevent catastrophic failure due to thermal expansion or pressure buildup. Its lead-free construction and certification to ASSE and CSA standards make it safe for use in potable water systems. Commonly used for maintenance, replacement, and upgrades, this valve is essential for ensuring the safety and longevity of RV plumbing. Trusted by RV owners, technicians, and manufacturers, it delivers consistent performance in demanding mobile environments.