{"id":9917,"date":"2026-06-06T14:08:52","date_gmt":"2026-06-06T11:08:52","guid":{"rendered":"https:\/\/altal.md\/?post_type=product&#038;p=9917"},"modified":"2026-06-06T14:08:53","modified_gmt":"2026-06-06T11:08:53","slug":"refrigerant-sight-glass-with-indicator-sv-l-03","status":"publish","type":"product","link":"https:\/\/altal.md\/en\/vizor-freon-cu-indicator-sv-l-03\/","title":{"rendered":"Freon sight glass with indicator SV-L-03 SAE 3\/8\u2033"},"content":{"rendered":"<h2><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Freon sight glass with indicator SV-L-03 SAE 3\/8\u2033 with humidity indicator for refrigeration installations<\/span><\/h2>\n<ul>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Application: Refrigeration, air conditioning, HVAC and heat pumps.<\/span><\/li>\n<\/ul>\n<p class=\"isSelectedEnd\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Freon sight glass with indicator SV-L-03 SAE 3\/8\u2033 with humidity indicator is an essential accessory for monitoring the circulation of refrigerant in air conditioning, refrigeration and heat pump installations. This Freon sight glass with indicator SV-L-03 SAE 3\/8\u2033 allows visual verification of the refrigerant status and rapid detection of possible problems related to humidity or insufficient system charging.<\/span><\/p>\n<p class=\"isSelectedEnd\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Constructed from high quality brass and copper, <strong>this SV-L-03 SAE 3\/8\u2033 freon sight glass with humidity indicator<\/strong> offers excellent corrosion resistance and a long service life. The integrated humidity indicator facilitates constant monitoring of the refrigerant condition. During operation, green indicates a normal humidity level, while yellow indicates excessive humidity that may affect the performance of the system.<\/span><\/p>\n<p class=\"isSelectedEnd\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">This SAE 3\/8\u2033 SV\/L-03 Freon Sight Glass with Humidity Indicator is compatible with most residential and commercial HVAC systems. Standard SAE 3\/8\u2033 connections allow for quick integration into the liquid circuit of the refrigeration system. By observing the refrigerant flow, technicians can identify the presence of gas bubbles, lack of refrigerant, or other problems that require intervention.<\/span><\/p>\n<p class=\"isSelectedEnd\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Thanks to the compact construction and simple assembly, <strong>freon sight glass SAE 3\/8\u2033 SV\/L-03<\/strong> It is widely used in air conditioners, cold rooms, refrigerated display cases, commercial refrigeration systems and heat pumps. For HVAC specialists, the SV-L-03 SAE 3\/8\u2033 Freon Gauge with Humidity Indicator is an effective tool for diagnosing and maintaining refrigeration installations.<\/span><\/p>\n<h3><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Main advantages<\/span><\/h3>\n<ul data-spread=\"false\">\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Visual monitoring of refrigerant flow;<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Integrated humidity indicator;<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Green color \u2013 normal humidity level;<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Yellow color \u2013 excess moisture;<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Durable brass and copper body;<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Compatible with HVAC and refrigeration installations;<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Quick assembly with SAE 3\/8\u2033 connections;<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Suitable for residential and commercial systems.<\/span><\/li>\n<\/ul>\n<h3><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Frequently Asked Questions (FAQ)<\/span><\/h3>\n<h4><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">What is the freon sight used for?<\/span><\/h4>\n<p class=\"isSelectedEnd\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">The viewer allows monitoring of the refrigerant flow and checking the humidity level in the installation.<\/span><\/p>\n<h4><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">What does the green indicator color mean?<\/span><\/h4>\n<p class=\"isSelectedEnd\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Green indicates that the humidity level in the refrigerant is within normal limits.<\/span><\/p>\n<h4><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">What does the color yellow indicate?<\/span><\/h4>\n<p class=\"isSelectedEnd\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Yellow signals high humidity and the need to check the refrigeration system.<\/span><\/p>\n<h4><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Is it compatible with heat pumps?<\/span><\/h4>\n<p class=\"isSelectedEnd\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Yes, the product can be used in heat pumps, air conditioning systems and refrigeration systems.<\/span><\/p>\n<h4><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">What size are the connections?<\/span><\/h4>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">The visor is equipped with standard SAE 3\/8\u2033 connections.<\/span><\/p>\n<h3 data-section-id=\"94cugx\" data-start=\"3028\" data-end=\"3051\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Recommended products<\/span><\/h3>\n<ul>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/altal.md\/en\/filter-drier-083-sae\/\" target=\"_blank\" rel=\"noopener\">Freon filter drier;<\/a><\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/altal.md\/en\/pressure-sensor-45-bar\/\" target=\"_blank\" rel=\"noopener\">Pressure sensor 45 bar<\/a><\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/altal.md\/en\/pressure-sensor-35-bar\/\" target=\"_blank\" rel=\"noopener\">Pressure sensor 35 bar;<\/a><\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/altal.md\/en\/vibration-absorber-for-compressor-1-1-8\/\" target=\"_blank\" rel=\"noopener\">Vibration damper<\/a><\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/altal.md\/en\/electronic-refrigerant-leak-detector-ct-cpu06\/\" target=\"_blank\" rel=\"noopener\">Electronic freon leak detector;<\/a><\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/altal.md\/en\/vacuum-pump-2tw-1c-r32\/\" target=\"_blank\" rel=\"noopener\">Vacuum pump for refrigeration systems;<\/a><\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/altal.md\/en\/3-way-manifold-gauge-set-zr-m40336a\/\" target=\"_blank\" rel=\"noopener\">HVAC manometric station.<\/a><\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<hr \/>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<h2 data-start=\"3498\" data-end=\"3945\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif; color: #000000;\">Model: SV-L-03<\/span><\/h2>\n<ul>\n<li data-start=\"3498\" data-end=\"3945\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif; color: #000000;\">Tip: <strong>Freon sight glass with humidity indicator<\/strong><\/span><\/li>\n<li data-start=\"3498\" data-end=\"3945\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif; color: #000000;\">Connection: <strong>SAE 3\/8\u2033 (inner \u00d8 9.8 mm)<\/strong><\/span><\/li>\n<li data-start=\"3498\" data-end=\"3945\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif; color: #000000;\">Material: <strong>Brass and copper<\/strong><\/span><\/li>\n<li data-start=\"3498\" data-end=\"3945\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif; color: #000000;\">Color: <strong>Brass<\/strong><\/span><\/li>\n<li data-start=\"3498\" data-end=\"3945\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif; color: #000000;\">Total length: <strong>79 mm<\/strong><\/span><\/li>\n<li data-start=\"3498\" data-end=\"3945\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif; color: #000000;\">Width: <strong>28 mm<\/strong><\/span><\/li>\n<li data-start=\"3498\" data-end=\"3945\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif; color: #000000;\">Weight: <strong>0,18 kg<\/strong><\/span><\/li>\n<li data-start=\"3498\" data-end=\"3945\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif; color: #000000;\">Working temperature: <strong>-40\u00b0C \u2026 +80\u00b0C<\/strong><\/span><\/li>\n<li data-start=\"3498\" data-end=\"3945\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif; color: #000000;\">Function: <strong>Monitoring refrigerant flow and humidity level<\/strong><\/span><\/li>\n<li data-start=\"3498\" data-end=\"3945\"><span style=\"font-family: tahoma, arial, helvetica, sans-serif; color: #000000;\">Humidity indicator: <strong>Green \/ Yellow<\/strong><\/span><\/li>\n<\/ul>\n<hr \/>\n<p>&nbsp;<\/p>","protected":false},"featured_media":9921,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_kad_post_transparent":"default","_kad_post_title":"","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"product_brand":[198],"product_cat":[280,183],"product_tag":[273,1032,902,1079,1078],"class_list":["post-9917","product","type-product","status-publish","has-post-thumbnail","product_brand-altal","product_cat-piese-de-schimb-hvac","product_cat-catalog","product_tag-3-8","product_tag-freon","product_tag-sae","product_tag-umeditate","product_tag-vizor","product_shipping_class-greutate-mica","first","instock","sale","taxable","shipping-taxable","purchasable","product-type-simple","entry","content-bg","loop-entry"],"acf":[],"_links":{"self":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product\/9917","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/comments?post=9917"}],"version-history":[{"count":0,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product\/9917\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media\/9921"}],"wp:attachment":[{"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/media?parent=9917"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product_brand?post=9917"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product_cat?post=9917"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/altal.md\/en\/wp-json\/wp\/v2\/product_tag?post=9917"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}