Grundig Brass Winterize Blowout Adapter with Ball Valve, 1/4" Quick‑Connect + 3/4" MHT Garden Hose Thread for RV Boat Garden Water System Draining

Product Overview This Brass Winterize Blowout Adapter purges residual water out of water pipes, garden hoses and sprinkler systems with compressed‑air, offering a fast and reliable solution for water‑system draining and maintenance. Equipped with a built‑in adjustable ball valve and made of premium solid brass, this adapter is perfect for RVs, campers, travel trailers, boats and garden water‑supply systems. It comes with a storage pouch for convenient carrying and storage. Product Specifications Item Specification Product Type Adapter Fitting with Ball Valve Material Solid Brass Color Gold Tone Connection 1/4 inch male air compressor quick connect plug + 3/4 inch MHT (GHT) male garden hose thread Feature Manual On/Off & Adjustable Airflow Ball Valve Application RV, Camper, Travel Trailer, Marine Boat, Garden Water Supply System Package Includes 1 x Blowout Adapter, 1 x Storage Pouch Important Note: 3/4" GHT/MHT garden hose thread is NOT NPT pipe thread. Please confirm your thread type before purchase to avoid mismatching and leakage. Product Features Efficient Water‑Line Draining Solution Easily connects an air compressor to your water system to blow out all standing water inside pipes, hoses and sprinkler lines, ideal for system draining and routine maintenance. Premium Solid Brass Construction Made of heavy-duty solid brass material, anti-corrosion, rust-proof, and built for long-term repeated outdoor use. Built-in Adjustable Ball Valve Features a manual control ball valve for convenient airflow switching and adjustment. No need to repeatedly disconnect your air compressor during winterization. Standard Universal Interfaces 1/4 inch quick connect plug fits most standard air compressor couplers. The 3/4 inch MHT garden hose thread fits most standard RV and garden water inlet ports. Wide Compatibility Ideal for winter maintenance of RVs, campers, travel trailers, marine vessels, and residential garden irrigation systems. Portable & Easy Storage Comes with a free storage pouch for easy carrying, organization, and space-saving storage. FAQ Q1: What is this adapter used for? A1: This winterize blowout adapter uses compressed air to remove residual water from pipelines, protecting your RV, boat, and garden water system from freezing damage in cold weather. Q2: What thread type does this adapter use? A2: It has a 1/4 inch male quick connect plug for air compressors and a 3/4 inch MHT (GHT) male garden hose thread. GHT thread is different from NPT thread and cannot be interchanged. Q3: What is the function of the ball valve? A3: The built-in ball valve allows you to manually turn airflow on/off and adjust air volume freely, making the winter water-blowing process much easier and more efficient. Q4: Is this product easy to operate? A4: Very simple. Screw the 3/4” MHT thread onto your water inlet, connect the 1/4” quick plug to your air compressor, then use the ball valve to control airflow and completely dry out all pipeline water. Q5: What is included in the package? A5: 1 x Brass Winterize Blowout Adapter, 1 x Storage Pouch.