{"id":6712,"date":"2025-12-04T11:17:37","date_gmt":"2025-12-04T11:17:37","guid":{"rendered":"https:\/\/www.poolparthub.com\/?post_type=product&#038;p=6712"},"modified":"2026-05-26T14:22:09","modified_gmt":"2026-05-26T14:22:09","slug":"blue-lagoon-nut-70-mm-x-33-5-mm-for-end-cap-abs-blue-b290010","status":"publish","type":"product","link":"https:\/\/www.poolparthub.com\/nl\/product\/blue-lagoon-nut-70-mm-x-33-5-mm-for-end-cap-abs-blue-b290010\/","title":{"rendered":"Blue Lagoon Nut 70 mm x 33.5 mm for end cap ABS Blue &#8211; B290010"},"content":{"rendered":"<h2>B290010 \u2013 End-cap nut 70 \u00d7 33.5 mm (ABS, blue) for Blue Lagoon UV-C<\/h2>\n<p>Replace a worn or cracked end-cap nut with this genuine Blue Lagoon part in blue ABS. The B290010 nut secures the closing lid at the lamp\/quartz end of the reactor body, restoring a clean, pressure-safe seal. Available from PoolParthub.com.<\/p>\n<h3>Compatibility<\/h3>\n<p>Fits Blue Lagoon UV-C housings that use the blue end-cap assembly, including:<\/p>\n<ul>\n<li>Timer UV-C 40 \/ 75 \/ 130 W<\/li>\n<li>Signal UV-C 40 \/ 75 \/ 130 W<\/li>\n<li>Xpert Duplex UV-C 80 \/ 140 W<\/li>\n<li>Xpose UV-C 42 W<\/li>\n<\/ul>\n<p><em>Note:<\/em> Not for Saltwater series (these typically use the black nut ref. 3901045).<\/p>\n<h3>What\u2019s included<\/h3>\n<ul>\n<li>1 \u00d7 End-cap nut 70 \u00d7 33.5 mm, ABS blue (ref. B290010)<\/li>\n<\/ul>\n<h3>Recommended accompanying parts<\/h3>\n<ul>\n<li>Closing lid, black: <strong>F990196BU<\/strong><\/li>\n<li>Quartz Glass Stabilizer kit: <strong>SP0095<\/strong> \/ <strong>SP0073<\/strong> (model-dependent)<\/li>\n<li>O-ring set for quartz glass: <strong>E800912<\/strong> (3 pcs)<\/li>\n<\/ul>\n<h3>Installation &amp; tips<\/h3>\n<ul>\n<li>Disconnect power and depressurise. Inspect and clean sealing faces before fitting.<\/li>\n<li>Lightly grease O-rings with silicone grease; tighten the nut evenly by hand.<\/li>\n<li>Leak-test on restart; recheck after the first heating cycle.<\/li>\n<\/ul>\n<h3>Specifications<\/h3>\n<ul>\n<li>Reference: <strong>B290010<\/strong><\/li>\n<li>Function: End-cap retaining nut<\/li>\n<li>Dimensions: <strong>70 mm \u00d7 33.5 mm<\/strong><\/li>\n<li>Material: <strong>ABS<\/strong>, colour blue<\/li>\n<li>Series: Timer, Signal, Xpert Duplex, Xpose UV-C<\/li>\n<\/ul>\n<h3>Good to know<\/h3>\n<p>If the nut has been overtightened or UV-aged, also check the closing lid and O-rings. Replacing these together ensures long-term watertightness and easier seasonal servicing.<\/p>","protected":false},"excerpt":{"rendered":"<p>B290010 \u2013 End-cap nut 70 \u00d7 33.5 mm (ABS, blue) for Blue Lagoon UV-C Replace a worn or cracked end-cap nut with this genuine Blue Lagoon part in blue ABS. The B290010 nut secures the closing lid at the lamp\/quartz end of the reactor body, restoring a clean, pressure-safe seal. Available from PoolParthub.com. Compatibility Fits<a href=\"https:\/\/www.poolparthub.com\/nl\/product\/blue-lagoon-nut-70-mm-x-33-5-mm-for-end-cap-abs-blue-b290010\/\">Continue reading <span class=\"sr-only\">&#8220;Blue Lagoon Nut 70 mm x 33.5 mm for end cap ABS Blue &#8211; B290010&#8221;<\/span><\/a><\/p>","protected":false},"featured_media":6716,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"bwfblock_default_font":"","inline_featured_image":false},"product_brand":[49],"product_cat":[62],"product_tag":[],"class_list":["post-6712","product","type-product","status-publish","has-post-thumbnail","product_brand-blue-lagoon","product_cat-uv-c","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"acf":{"pph_product_template":"spare_part","pph_extra_parts_check":"","pph_spare_parts":null,"pph_extra_spare_parts":null,"extra_product_tabs":null,"main_product_link":null,"restock_info":"","exploded_view_link":"","details_product":null,"details_product_exploded":null,"pph_card_badge_use_custom":false,"pph_card_badge_text":"","pph_card_badge_background_color":"#ADC2F7","pph_card_badge_border_color":"#ADC2F7","pph_card_badge_text_color":"#2B46AB"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.4 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Blue Lagoon Nut 70 mm x 33.5 mm for end cap ABS Blue - B290010 | PoolPartHub<\/title>\n<meta name=\"description\" content=\"Blue Lagoon B290010 end-cap nut (70\u00d733.5 mm), blue ABS. OEM fit for Timer\/Signal, Xpert Duplex and Xpose UV-C housings; restores a safe, leak-tight seal.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.poolparthub.com\/nl\/product\/blue-lagoon-nut-70-mm-x-33-5-mm-for-end-cap-abs-blue-b290010\/\" \/>\n<meta property=\"og:locale\" content=\"nl_NL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Blue Lagoon Nut 70 mm x 33.5 mm for end cap ABS Blue - B290010\" \/>\n<meta property=\"og:description\" content=\"Blue Lagoon B290010 end-cap nut (70\u00d733.5 mm), blue ABS. OEM fit for Timer\/Signal, Xpert Duplex and Xpose UV-C housings; restores a safe, leak-tight seal.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.poolparthub.com\/nl\/product\/blue-lagoon-nut-70-mm-x-33-5-mm-for-end-cap-abs-blue-b290010\/\" \/>\n<meta property=\"og:site_name\" content=\"PoolPartHub\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-26T14:22:09+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.poolparthub.com\/wp-content\/uploads\/2025\/12\/ve-krpufust_28078.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Geschatte leestijd\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minuten\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.poolparthub.com\\\/product\\\/blue-lagoon-nut-70-mm-x-33-5-mm-for-end-cap-abs-blue-b290010\\\/\",\"url\":\"https:\\\/\\\/www.poolparthub.com\\\/product\\\/blue-lagoon-nut-70-mm-x-33-5-mm-for-end-cap-abs-blue-b290010\\\/\",\"name\":\"Blue Lagoon Nut 70 mm x 33.5 mm for end cap ABS Blue - B290010 | PoolPartHub\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.poolparthub.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.poolparthub.com\\\/product\\\/blue-lagoon-nut-70-mm-x-33-5-mm-for-end-cap-abs-blue-b290010\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.poolparthub.com\\\/product\\\/blue-lagoon-nut-70-mm-x-33-5-mm-for-end-cap-abs-blue-b290010\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.poolparthub.com\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/ve-krpufust_28078.webp\",\"datePublished\":\"2025-12-04T11:17:37+00:00\",\"dateModified\":\"2026-05-26T14:22:09+00:00\",\"description\":\"Blue Lagoon B290010 end-cap nut (70\u00d733.5 mm), blue ABS. 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