{"id":8843,"date":"2026-02-17T13:11:54","date_gmt":"2026-02-17T13:11:54","guid":{"rendered":"https:\/\/www.poolparthub.com\/?post_type=product&#038;p=8843"},"modified":"2026-03-24T10:10:08","modified_gmt":"2026-03-24T10:10:08","slug":"astralpool-16-%c2%b5f-1-hp-motor-capacitor-4405020122","status":"publish","type":"product","link":"https:\/\/www.poolparthub.com\/nl\/product\/astralpool-16-%c2%b5f-1-hp-motor-capacitor-4405020122\/","title":{"rendered":"Astralpool 16 \u00b5f 1 hp motor capacitor &#8211; 4405020122"},"content":{"rendered":"<h2>Astralpool 16 \u00b5f 1 hp motor capacitor 4405020122<\/h2>\n<p>\nThe Astralpool 16 \u00b5f 1 hp motor capacitor 4405020122 is an original replacement run and start capacitor for selected single phase<br \/>\nAstralpool pool pump motors around 1 hp. It restores the correct phase shift between motor windings, allowing the pump to start<br \/>\nsmoothly and run with stable torque during daily filtration cycles.\n<\/p>\n<h3>Function of the 16 \u00b5f motor capacitor<\/h3>\n<p>\nIn a single phase pool pump motor, the capacitor creates a phase shift between the main and auxiliary windings. This provides the<br \/>\nstarting torque needed to overcome static friction and to bring the pump up to speed, then helps maintain efficient operation once the<br \/>\nmotor is running. With the Astralpool 16 \u00b5f 1 hp motor capacitor 4405020122 correctly installed, compatible pumps start more reliably,<br \/>\neven under normal system back pressure.\n<\/p>\n<p>\nA healthy capacitor also supports lower running current and reduced motor temperature, which contributes to longer service life for the<br \/>\nentire pump assembly.\n<\/p>\n<h3>Design and technical characteristics<\/h3>\n<p>\nThe Astralpool 16 \u00b5f 1 hp motor capacitor 4405020122 is a sealed, maintenance free component designed for continuous duty in demanding<br \/>\nfiltration environments. The capacitance value of 16 microfarads is matched to the electrical design of the corresponding 1 hp motor so<br \/>\nthat starting and running characteristics remain within the values defined by the manufacturer.\n<\/p>\n<ul>\n<li>Capacitance value of 16 \u00b5f for selected 1 hp single phase motors.<\/li>\n<li>Closed, insulated housing for safe mounting in humid technical rooms.<\/li>\n<li>Designed for continuous use at standard mains frequency (50 hz).<\/li>\n<li>Terminals configured to connect to the existing motor wiring harness.<\/li>\n<\/ul>\n<h3>Compatibility and typical applications<\/h3>\n<p>\nThis motor capacitor is intended for Astralpool pool pumps whose technical documentation specifies a 16 \u00b5f capacitor with reference<br \/>\n4405020122. It is mainly used on residential circulation pumps in the 1 hp range that operate many hours per day to drive water through<br \/>\nsand, glass or cartridge filters.\n<\/p>\n<ul>\n<li>Suitable for selected Astralpool single phase motors rated around 1 hp.<\/li>\n<li>Designed for use in private pool filtration systems.<\/li>\n<li>Direct replacement when the original 16 \u00b5f capacitor shows signs of fatigue.<\/li>\n<\/ul>\n<p>\nBefore ordering, always verify the capacitor value on the existing component label and check the parts list for your pump model to<br \/>\nconfirm that 4405020122 is the correct reference.\n<\/p>\n<h3>When to replace the capacitor 4405020122<\/h3>\n<p>\nMotor capacitors are wear components. Heat, age and repeated start cycles gradually degrade the dielectric material inside, reducing<br \/>\ncapacitance and affecting motor behaviour. Early replacement helps avoid complete pump stoppages at the height of the swimming season.\n<\/p>\n<ul>\n<li>Motor hums but does not start, or only starts if the pump shaft is turned manually.<\/li>\n<li>Sluggish start up, with the motor taking longer than usual to reach full speed.<\/li>\n<li>Frequent tripping of thermal protection or higher than normal motor temperature.<\/li>\n<li>Visible swelling, cracks or leakage on the capacitor housing.<\/li>\n<\/ul>\n<p>\nIf one or more of these symptoms appear and other mechanical causes have been ruled out, fitting a new Astralpool 16 \u00b5f 1 hp motor<br \/>\ncapacitor 4405020122 is often the most straightforward solution.\n<\/p>\n<h3>Installation and safety advice<\/h3>\n<p>\nEven though it is a small component, any work on the motor capacitor must be carried out with strict respect for electrical safety.<br \/>\nThe pump must be disconnected from the mains and all local regulations must be followed. If in doubt, installation should be done by a<br \/>\nqualified technician.\n<\/p>\n<ul>\n<li>Disconnect the power supply and verify the absence of voltage before opening the motor terminal box.<\/li>\n<li>Note or photograph the original wiring layout so you can reproduce it exactly.<\/li>\n<li>Carefully disconnect the old capacitor and remove its fixing clamp or support.<\/li>\n<li>Install the new 16 \u00b5f capacitor in the same position, securing it firmly so it cannot vibrate.<\/li>\n<li>Reconnect the wires to the same terminals, checking that all connections are tight and properly insulated.<\/li>\n<li>Close the terminal box, restore power and test the pump start up under supervision.<\/li>\n<\/ul>\n<p>\nAfter replacement, the motor should start promptly and run with a stable sound. If abnormal noise, overheating or tripping persists, a<br \/>\nbroader diagnostic of the pump and electrical supply is recommended.\n<\/p>\n<h3>Good practice for long capacitor life<\/h3>\n<p>\nWith the Astralpool 16 \u00b5f 1 hp motor capacitor 4405020122 installed, a few simple habits help extend its operating life and protect the<br \/>\nmotor.\n<\/p>\n<ul>\n<li>Ensure adequate ventilation around the motor to limit operating temperature.<\/li>\n<li>Avoid excessive start stop cycles; use timers with reasonable filtration schedules.<\/li>\n<li>Keep the terminal box closed and dry to protect electrical connections.<\/li>\n<li>Check starting behaviour at the beginning of each season and consider preventive replacement on older pumps.<\/li>\n<\/ul>\n<p>\nUsing the original Astralpool 16 \u00b5f 1 hp motor capacitor 4405020122 helps keep compatible pool pumps starting reliably and running<br \/>\nsmoothly throughout the swimming season.<\/p>","protected":false},"excerpt":{"rendered":"<p>Astralpool 16 \u00b5f 1 hp motor capacitor 4405020122 The Astralpool 16 \u00b5f 1 hp motor capacitor 4405020122 is an original replacement run and start capacitor for selected single phase Astralpool pool pump motors around 1 hp. It restores the correct phase shift between motor windings, allowing the pump to start smoothly and run with stable<a href=\"https:\/\/www.poolparthub.com\/nl\/product\/astralpool-16-%c2%b5f-1-hp-motor-capacitor-4405020122\/\">Continue reading <span class=\"sr-only\">&#8220;Astralpool 16 \u00b5f 1 hp motor capacitor &#8211; 4405020122&#8221;<\/span><\/a><\/p>","protected":false},"featured_media":8845,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"bwfblock_default_font":"","inline_featured_image":false},"product_brand":[920],"product_cat":[1721],"product_tag":[],"class_list":["post-8843","product","type-product","status-publish","has-post-thumbnail","product_brand-astralpool","product_cat-spare-parts","first","onbackorder","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":[{"text_details_type":"yes","text_details_product":"Correct 16 \u00b5f value for selected 1 hp Astralpool motors "},{"text_details_type":"yes","text_details_product":"Restores reliable motor starting and smooth running "},{"text_details_type":"yes","text_details_product":"Sealed construction suitable for humid pool technical rooms "},{"text_details_type":"yes","text_details_product":"Simple, low cost component to renew during electrical servicing"},{"text_details_type":"no","text_details_product":"Only suitable for motors that specify a 16 \u00b5f capacitor with this reference"},{"text_details_type":"no","text_details_product":"Replacement involves electrical work and may require a qualified technician"}],"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) - 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