{"product_id":"pentair-slip-half-union-for-max-e-therm-heaters-2-2-pack-42001-0402","title":"42001-0402 | Pentair Slip Half Union For Max-E-Therm Heaters | 2\" | 2 Pack","description":"\u003cp data-start=\"286\" data-end=\"1127\"\u003eThe Pentair 2-Inch Slip Half Union 42001-0402 is an OEM replacement kit designed for Sta-Rite Max-E-Therm pool and spa heaters. This kit includes two slip unions, two locking nuts, two couplers, and two O-rings, providing everything needed to form a secure and leak-resistant connection between the heater and the pool plumbing system. These unions make it easy to disconnect and reconnect the heater during routine service, repairs, or replacements, helping reduce downtime and simplify maintenance tasks. Constructed to meet OEM Pentair specifications, the unions are built to withstand pool chemicals, water pressure, and frequent use without compromising reliability. By maintaining strong and consistent connections, this kit helps extend the life of your Max-E-Therm heater and ensures it continues to operate safely and efficiently.\u003c\/p\u003e\n\u003ch3 data-start=\"1129\" data-end=\"1145\"\u003eHighlights\u003c\/h3\u003e\n\u003cul data-start=\"1146\" data-end=\"1897\"\u003e\n\u003cli data-start=\"1146\" data-end=\"1310\"\u003e\n\u003cp data-start=\"1148\" data-end=\"1310\"\u003e\u003cstrong data-start=\"1148\" data-end=\"1166\"\u003eOEM Union Kit:\u003c\/strong\u003e Specifically designed for Sta-Rite Max-E-Therm heaters, providing durable and precise connections that match original factory specifications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1311\" data-end=\"1457\"\u003e\n\u003cp data-start=\"1313\" data-end=\"1457\"\u003e\u003cstrong data-start=\"1313\" data-end=\"1334\"\u003eComplete Package:\u003c\/strong\u003e Includes two 2-inch slip unions, two couplers, two locking nuts, and two O-rings for a full installation or replacement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1458\" data-end=\"1614\"\u003e\n\u003cp data-start=\"1460\" data-end=\"1614\"\u003e\u003cstrong data-start=\"1460\" data-end=\"1484\"\u003eLeak-Free Operation:\u003c\/strong\u003e Creates a secure seal that prevents leaks and protects the heater’s performance during routine use and high-pressure operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1615\" data-end=\"1754\"\u003e\n\u003cp data-start=\"1617\" data-end=\"1754\"\u003e\u003cstrong data-start=\"1617\" data-end=\"1642\"\u003eMaintenance Friendly:\u003c\/strong\u003e Makes disconnecting and reconnecting the heater straightforward, saving time on servicing or system upgrades.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1755\" data-end=\"1897\"\u003e\n\u003cp data-start=\"1757\" data-end=\"1897\"\u003e\u003cstrong data-start=\"1757\" data-end=\"1780\"\u003eDurability Assured:\u003c\/strong\u003e Manufactured to OEM Pentair standards with rugged materials that resist pool chemicals and environmental exposure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eIncludes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e(2) \u003c\/strong\u003eLocking Nuts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e(2) \u003c\/strong\u003eCouplers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e(2) \u003c\/strong\u003eO-Rings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePentair Sta-Rite Max-E-Therm Heaters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"276\" data-end=\"297\"\u003eAdditional Info\u003c\/h3\u003e\n\u003cp data-start=\"298\" data-end=\"468\"\u003eNeed help with the Pentair 2-Inch Slip Half Union 42001-0402? This section covers installation, maintenance, and in-store availability for Sta-Rite Max-E-Therm heaters.\u003c\/p\u003e\n\u003ch2 data-start=\"470\" data-end=\"510\"\u003eInstalling the 42001-0402 Union Kit\u003c\/h2\u003e\n\u003cp data-start=\"511\" data-end=\"641\"\u003eThis kit comes with two 2-inch slip unions, couplers, and O-rings, making it easy to connect your heater to the plumbing system.\u003c\/p\u003e\n\u003ch4 data-start=\"643\" data-end=\"729\"\u003eHow do I install the Pentair 42001-0402 slip union kit on a Max-E-Therm heater?\u003c\/h4\u003e\n\u003ch4 data-start=\"730\" data-end=\"794\"\u003eCan I buy the 2-inch unions in store for same-day pickup?\u003c\/h4\u003e\n\u003ch4 data-start=\"795\" data-end=\"870\"\u003eDo I need PVC glue or sealant when installing the union kit locally?\u003c\/h4\u003e\n\u003ch2 data-start=\"872\" data-end=\"917\"\u003eTroubleshooting Heater Connection Issues\u003c\/h2\u003e\n\u003cp data-start=\"918\" data-end=\"1033\"\u003eLeaking or loose unions can cause flow problems and heater shutdowns. This kit solves common connection failures.\u003c\/p\u003e\n\u003ch4 data-start=\"1035\" data-end=\"1113\"\u003eWill the 42001-0402 kit stop leaks in my Sta-Rite Max-E-Therm plumbing?\u003c\/h4\u003e\n\u003ch4 data-start=\"1114\" data-end=\"1186\"\u003eWhat should I do if the O-rings wear out or don’t seal correctly?\u003c\/h4\u003e\n\u003ch4 data-start=\"1187\" data-end=\"1263\"\u003eCan I walk into the store and replace just the O-rings from this kit?\u003c\/h4\u003e\n\u003ch2 data-start=\"1265\" data-end=\"1303\"\u003eConfirming the Right Kit In Store\u003c\/h2\u003e\n\u003cp data-start=\"1304\" data-end=\"1376\"\u003eVerifying compatibility before purchase saves time and avoids returns.\u003c\/p\u003e\n\u003ch4 data-start=\"1378\" data-end=\"1454\"\u003eHow do I confirm in store that 42001-0402 fits my Max-E-Therm heater?\u003c\/h4\u003e\n\u003ch4 data-start=\"1455\" data-end=\"1530\"\u003eIs the Pentair slip union kit available today at Discount Pool Mart?\u003c\/h4\u003e\n\u003ch4 data-start=\"1531\" data-end=\"1602\"\u003eCan I bring in my old union to match it with the 42001-0402 kit?\u003c\/h4\u003e\n\u003ch3\u003e\u003cstrong\u003eDiagram\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg style=\"margin-bottom: 16px; float: none;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0922\/3326\/9536\/files\/PentairSlipHalfUnionForMax-E-ThermHeaters22Pack42001-0402DiscountPoolMartDiagram_600x600.jpg?v=1736982203\"\u003e\u003c\/div\u003e\n\u003c!----\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":49770486956320,"sku":"42001-0402","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/3326\/9536\/files\/Pentair_Slip_Half_Union_For_Max-E-Therm_Heaters_2_2_Pack_42001-0402_Discount_Pool_Mart_1.jpg?v=1738618487","url":"https:\/\/discountpoolmart.com\/products\/pentair-slip-half-union-for-max-e-therm-heaters-2-2-pack-42001-0402","provider":"Discount Pool Mart","version":"1.0","type":"link"}