{"product_id":"pump-union-400-1940","title":"Pump Union 400-1940","description":"\u003cp\u003eThis Waterway pump union (part #400-1940) provides a secure, removable connection for spa pumps with 1\" female buttress thread (FBT) to 3\/4\" barb fittings. As an OEM Waterway component, it ensures reliable performance in hot tub plumbing systems where maintenance access is essential.\u003c\/p\u003e\u003cp\u003eBuilt to Waterway's exacting standards, this union features durable construction that withstands spa chemicals and temperature fluctuations. At Bubbles Supply, we guarantee exact fit compatibility and back every union with our 1-year warranty. Most orders ship same day for minimal downtime. Always verify your existing union's thread type and barb size before ordering—FBT threads have a distinctive buttress profile that differs from standard pipe threads.\u003c\/p\u003e\n\u003c!-- p11:start --\u003e\u003cdiv class=\"related-links\"\u003e\n\u003ch2\u003eRelated parts \u0026amp; guides\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/product\/90-degree-sweep-pump-union-elbow-400-5800\"\u003e90 Degree Sweep Pump Union Elbow 400-5800\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/product\/pump-union-400-1990\"\u003ePump Union 400-1990\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/product\/pump-union-400-2160\"\u003ePump Union 400-2160\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collection\/plumbing-seals\"\u003eSee all Plumbing \u0026amp; Seals\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/knowledge\/why-your-hot-tub-jets-are-weak\"\u003eWhy your hot tub jets are weak\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c!-- p11:end --\u003e","brand":"Waterway","offers":[{"title":"Default Title","offer_id":50248991211877,"sku":"400-1940","price":3.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/2162\/2373\/files\/pump-union-400-1940-400-1940-2.jpg?v=1779738968","url":"https:\/\/checkout.bubblessupply.com\/products\/pump-union-400-1940","provider":"Bubbles Supply","version":"1.0","type":"link"}