{"id":13008,"date":"2023-03-02T14:06:55","date_gmt":"2023-03-02T14:06:55","guid":{"rendered":"https:\/\/manuals.seakeeper.com\/seakeeper\/seakeeper-2-installation-manual-90488-3-copy\/cooling-installation\/connecting-seawater-to-heat-exchanger\/"},"modified":"2025-06-17T17:05:40","modified_gmt":"2025-06-17T17:05:40","slug":"connecting-seawater-to-heat-exchanger","status":"publish","type":"page","link":"https:\/\/manuals.seakeeper.com\/seakeeper\/seakeeper-2-installation-manual\/cooling-installation\/connecting-seawater-to-heat-exchanger\/","title":{"rendered":"4.3  Connecting Seawater to Heat Exchanger"},"content":{"rendered":"\n<p>Refer to Figure 25 for typical seawater plumbing arrangement.<\/p>\n\n\n\n<ol style=\"list-style-type:1\" class=\"wp-block-list\">\n<li>Connect seawater pump to <span translate=\"no\"><span translate=\"no\">Seakeeper<\/span><\/span> dedicated through-hull fitting. A strainer and seacock valve should generally be installed between the seawater inlet and the pump.<\/li>\n\n\n\n<li>Connect seawater from the installer-supplied pump to the lower 3\/4 in. (19 mm) hose barb on the heat exchanger. Use the same practices as for other below-waterline seawater plumbing.<\/li>\n\n\n\n<li>Connect seawater discharge to the overboard drain. Use the same practices as other seawater plumbing below the waterline.<\/li>\n\n\n\n<li>The required flow rate is 2 GPM (7.6 LPM) minimum and 6 GPM (22.7 LPM) maximum.<\/li>\n\n\n\n<li>In addition to initial operation at the dock, new <span translate=\"no\"><span translate=\"no\">Seakeeper<\/span><\/span> installations should be checked for a minimum 2 GPM (7.6 LPM) flow while the vessel is at speed and when backing down.<br>\n<ol class=\"wp-block-list\">\n<li>If no other method of confirming flow is available, the discharge line may be temporarily diverted to a bucket. Flow is calculated from time to fill a known volume.<\/li>\n\n\n\n<li>Flowrates in excess of 6 GPM (22.7 LPM) could affect heat exchanger life. <\/li>\n<\/ol>\n<\/li>\n\n\n\n<li>Inspect raw water plumbing during sea trial for any signs of leakage.<\/li>\n<\/ol>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"975\" height=\"621\" src=\"https:\/\/manuals.seakeeper.com\/wp-content\/uploads\/image-27.png\" alt=\"\" class=\"wp-image-8302\" srcset=\"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-content\/uploads\/image-27.png 975w, https:\/\/manuals.seakeeper.com\/seakeeper\/wp-content\/uploads\/image-27-768x489.png 768w\" sizes=\"auto, (max-width: 975px) 100vw, 975px\" \/><figcaption class=\"wp-element-caption\"><em><strong>Figure 25 <\/strong>&#8211;  Typical Seawater Plumbing Arrangement<\/em><\/figcaption><\/figure>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Refer to Figure 25 for typical seawater plumbing arrangement.<\/p>\n","protected":false},"author":7,"featured_media":0,"parent":13002,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"manual":[279],"model":[],"document_type":[],"hidden":[],"class_list":["post-13008","page","type-page","status-publish","hentry","manual-seakeeper-2-installation-manual"],"acf":[],"_links":{"self":[{"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/pages\/13008","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/comments?post=13008"}],"version-history":[{"count":5,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/pages\/13008\/revisions"}],"predecessor-version":[{"id":20156,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/pages\/13008\/revisions\/20156"}],"up":[{"embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/pages\/13002"}],"wp:attachment":[{"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/media?parent=13008"}],"wp:term":[{"taxonomy":"manual","embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/manual?post=13008"},{"taxonomy":"model","embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/model?post=13008"},{"taxonomy":"document_type","embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/document_type?post=13008"},{"taxonomy":"hidden","embeddable":true,"href":"https:\/\/manuals.seakeeper.com\/seakeeper\/wp-json\/wp\/v2\/hidden?post=13008"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}