{"id":12011,"date":"2026-06-18T23:40:40","date_gmt":"2026-06-19T04:40:40","guid":{"rendered":"https:\/\/www.anythingflows.com\/en\/?page_id=12011"},"modified":"2026-06-18T23:40:40","modified_gmt":"2026-06-19T04:40:40","slug":"moniteur-devices-replacement","status":"publish","type":"page","link":"https:\/\/www.anythingflows.com\/en\/moniteur-devices-replacement\/","title":{"rendered":"Moniteur Devices Replacement &#038; Cross-Reference \u2014 Max-Air Limit Switches"},"content":{"rendered":"<div class=\"afm-cross\">\n<style>:root{\n    --af-blue:#002C54;\n    --af-dark:#15253D;\n    --af-yellow:#EFB509;\n    --af-brass:#CD7213;\n    --white:#FFFFFF;\n    --gray:#f4f6f8;\n    --line:#dbe1e8;\n  }.afm-cross *{box-sizing:border-box;}.afm-cross{margin:0;font-family:Arial,Helvetica,sans-serif;color:#1c2733;line-height:1.55;background:#fff;}.afm-cross a{color:var(--af-brass);}.afm-cross .wrap{max-width:1080px;margin:0 auto;padding:0 22px;}.afm-cross .hero{background:linear-gradient(135deg,var(--af-blue),var(--af-dark));color:#fff;padding:56px 0 48px;}.afm-cross .hero .eyebrow{display:inline-block;background:var(--af-yellow);color:var(--af-blue);font-weight:bold;\n    font-size:13px;letter-spacing:.5px;padding:5px 12px;border-radius:3px;text-transform:uppercase;}.afm-cross .hero h1{font-size:40px;line-height:1.15;margin:18px 0 12px;}.afm-cross .hero p.sub{font-size:19px;max-width:760px;color:#dfe7f0;margin:0 0 26px;}.afm-cross .btn{display:inline-block;background:var(--af-yellow);color:var(--af-blue);font-weight:bold;\n    text-decoration:none;padding:15px 30px;border-radius:5px;font-size:17px;border:none;cursor:pointer;}.afm-cross .btn:hover{background:#ffc928;}.afm-cross .btn-ghost{background:transparent;color:#fff;border:2px solid #fff;margin-left:10px;}.afm-cross .btn-ghost:hover{background:rgba(255,255,255,.12);}.afm-cross section{padding:46px 0;}.afm-cross section.alt{background:var(--gray);}.afm-cross h2{color:var(--af-blue);font-size:28px;margin:0 0 8px;}.afm-cross h2 .accent{color:var(--af-brass);}.afm-cross .lede{font-size:18px;color:#3a4654;max-width:820px;}.afm-cross .cols{display:flex;gap:26px;flex-wrap:wrap;margin-top:24px;}.afm-cross .card{flex:1 1 220px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:20px 22px;}.afm-cross .card h3{color:var(--af-blue);margin:0 0 6px;font-size:17px;}.afm-cross .card p{margin:0;font-size:15px;color:#46535f;}.afm-cross table{width:100%;border-collapse:collapse;margin-top:22px;background:#fff;font-size:15px;\n    box-shadow:0 1px 0 var(--line);}.afm-cross thead th{background:var(--af-blue);color:#fff;text-align:left;padding:13px 14px;font-size:14px;}.afm-cross tbody td{padding:13px 14px;border-bottom:1px solid var(--line);vertical-align:top;}.afm-cross tbody tr:nth-child(even){background:#fafbfc;}.afm-cross .mon{font-weight:bold;color:var(--af-dark);}.afm-cross .max{font-weight:bold;color:var(--af-brass);}.afm-cross .pill{display:inline-block;background:#eef3f8;color:var(--af-blue);font-size:12px;font-weight:bold;\n    padding:2px 8px;border-radius:10px;}.afm-cross .decoder{display:flex;gap:18px;flex-wrap:wrap;margin-top:18px;}.afm-cross .decoder .step{flex:1 1 200px;background:#fff;border-left:4px solid var(--af-yellow);\n    border-radius:0 8px 8px 0;padding:16px 18px;box-shadow:0 1px 3px rgba(0,0,0,.05);}.afm-cross .decoder .step b{color:var(--af-blue);}.afm-cross .formwrap{background:#fff;border:1px solid var(--line);border-radius:10px;padding:28px;max-width:760px;}.afm-cross .formrow{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:14px;}.afm-cross .field{flex:1 1 220px;display:flex;flex-direction:column;}.afm-cross .field.full{flex:1 1 100%;}.afm-cross label{font-size:13px;font-weight:bold;color:var(--af-dark);margin-bottom:5px;}.afm-cross input, .afm-cross textarea{padding:11px 12px;border:1px solid #c4ccd6;border-radius:5px;font-size:15px;font-family:inherit;}.afm-cross textarea{min-height:90px;resize:vertical;}.afm-cross .req{color:var(--af-brass);}.afm-cross .trust{display:flex;gap:20px;flex-wrap:wrap;}.afm-cross .trust .t{flex:1 1 200px;}.afm-cross .trust .t b{display:block;color:var(--af-blue);font-size:30px;}.afm-cross footer{background:var(--af-dark);color:#c7d1dd;padding:30px 0;font-size:14px;}.afm-cross footer a{color:var(--af-yellow);}.afm-cross .tagline{color:var(--af-yellow);font-style:italic;}@media(max-width:640px){.afm-cross .hero h1{font-size:30px;}.afm-cross .btn-ghost{margin-left:0;margin-top:10px;}}<\/style>\n<div class=\"hero\">\n<div class=\"wrap\">\n    <span class=\"eyebrow\">Manufacturer Discontinued &mdash; Replacement Available<\/span><\/p>\n<h1>Moniteur Devices has closed.<br \/>We&#8217;ll cross you over to Max-Air.<\/h1>\n<p class=\"sub\">Anything Flows supplied Moniteur valve position monitors and limit switches for years.<br \/>\n      Now that the line is gone, we&#8217;ve made the switch simple: as an authorized<br \/>\n      <strong>Max-Air Technology<\/strong> distributor, we cross-reference your discontinued<br \/>\n      Moniteur units to a direct, in-stock equivalent.<\/p>\n<p>    <a href=\"#rfq\" class=\"btn\">Request a Cross-Reference Quote<\/a><br \/>\n    <a href=\"#crossref\" class=\"btn btn-ghost\">See the Cross-Reference Table<\/a>\n  <\/div>\n<\/div>\n<section>\n<div class=\"wrap\">\n<h2>Your Moniteur switch has a <span class=\"accent\">direct equivalent<\/span><\/h2>\n<p class=\"lede\">Max-Air limit switch boxes are built to the same standards engineers specified Moniteur<br \/>\n      for &mdash; and in most cases bolt straight onto your existing actuator.<\/p>\n<div class=\"cols\">\n<div class=\"card\">\n<h3>NAMUR &amp; standard mounting<\/h3>\n<p>Max-Air mounts to NAMUR and standard<br \/>\n        actuator patterns, so most replacements drop in without re-engineering the bracket.<\/p>\n<\/div>\n<div class=\"card\">\n<h3>Same switch types<\/h3>\n<p>Mechanical SPDT, proximity, and inductive (NAMUR)<br \/>\n        options &mdash; matched to whatever your Moniteur unit used.<\/p>\n<\/div>\n<div class=\"card\">\n<h3>Equal-or-better certification<\/h3>\n<p>Weatherproof through explosion-proof,<br \/>\n        CSA\/UL listed and certified to North American and European standards.<\/p>\n<\/div>\n<div class=\"card\">\n<h3>Stocked &amp; supported by AF<\/h3>\n<p>We quote, source, and support every unit<br \/>\n        &mdash; bilingual, with the same team that handled your Moniteur orders.<\/p>\n<\/div><\/div>\n<\/p><\/div>\n<\/section>\n<section class=\"alt\" id=\"crossref\">\n<div class=\"wrap\">\n<h2>Moniteur &rarr; Max-Air <span class=\"accent\">Cross-Reference<\/span><\/h2>\n<p class=\"lede\">Find your old Moniteur family on the left; the recommended Max-Air series &mdash; in stock and<br \/>\n      ready to buy on our site &mdash; is on the right. Not sure which line you have?<br \/>\n      <a href=\"#decoder\">Decode your part number below<\/a> or <a href=\"#rfq\">send us the number<\/a> and we&#8217;ll confirm.<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"width:21%\">Moniteur (discontinued)<\/th>\n<th style=\"width:23%\">Enclosure \/ rating<\/th>\n<th style=\"width:16%\">Max-Air replacement<\/th>\n<th style=\"width:24%\">Why it matches<\/th>\n<th style=\"width:16%\">Buy direct<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"mon\">Watchman \/ Watchman VPT<\/td>\n<td>Aluminum &middot; NEMA 4 \/ 4X weatherproof<\/td>\n<td class=\"max\">45 Series <span class=\"pill\">35 economy alt<\/span><\/td>\n<td>Aluminum weatherproof box; mechanical \/ proximity \/ inductive switches; 4&ndash;20&nbsp;mA transmitter option to match the VPT.<\/td>\n<td><a href=\"https:\/\/www.anythingflows.com\/en\/?s=Max-Air%2045%20Series%20Limit%20Switch&amp;post_type=product\">Shop 45 Series &rarr;<\/a><br \/><a href=\"https:\/\/www.anythingflows.com\/en\/?s=Max-Air%2035%20Series%20Limit%20Switch&amp;post_type=product\" style=\"font-size:13px;\">Shop 35 Series &rarr;<\/a><\/td>\n<\/tr>\n<tr>\n<td class=\"mon\">Survivor \/ Survivor-II (VPT)<\/td>\n<td>Zytel \/ thermoplastic &middot; NEMA 4 \/ 4X &middot; corrosive &amp; washdown<\/td>\n<td class=\"max\">41 Series<\/td>\n<td>Technopolymer NEMA 4\/4X enclosure with stainless trim for corrosive and washdown service.<\/td>\n<td><a href=\"https:\/\/www.anythingflows.com\/en\/?s=Max-Air%2041%20Series%20Limit%20Switch&amp;post_type=product\">Shop 41 Series &rarr;<\/a><\/td>\n<\/tr>\n<tr>\n<td class=\"mon\">Sentinel \/ Sentinel-II (VPT)<\/td>\n<td>Aluminum &middot; explosion-proof &middot; Class I Div 1 &middot; NEMA 7 \/ 9<\/td>\n<td class=\"max\">48 Series<\/td>\n<td>Explosion-proof aluminum\/stainless box certified for hazardous areas &mdash; including hydrogen and acetylene duty.<\/td>\n<td><a href=\"https:\/\/www.anythingflows.com\/en\/?s=Max-Air%2048%20Series%20Limit%20Switch&amp;post_type=product\">Shop 48 Series &rarr;<\/a><\/td>\n<\/tr>\n<tr>\n<td class=\"mon\">Scout VPT<\/td>\n<td>Compact sensor block &middot; ASi \/ DeviceNet networked<\/td>\n<td class=\"max\">45 Series <span class=\"pill\">proximity \/ bus option<\/span><\/td>\n<td>Proximity \/ inductive networked feedback in a compact footprint.<\/td>\n<td><a href=\"https:\/\/www.anythingflows.com\/en\/?s=Max-Air%2045%20Series%20Limit%20Switch&amp;post_type=product\">Shop 45 Series &rarr;<\/a><\/td>\n<\/tr>\n<tr>\n<td class=\"mon\">Guardian \/ Companion (linear)<\/td>\n<td>Explosion-proof &middot; linear control valves<\/td>\n<td class=\"max\">48 Series <span class=\"pill\">linear config<\/span><\/td>\n<td>Explosion-proof monitoring configured for linear \/ rising-stem valves.<\/td>\n<td><a href=\"https:\/\/www.anythingflows.com\/en\/?s=Max-Air%2048%20Series%20Limit%20Switch&amp;post_type=product\">Shop 48 Series &rarr;<\/a><\/td>\n<\/tr>\n<tr>\n<td class=\"mon\">Indicateur (visual indicator)<\/td>\n<td>Nylon \/ Zytel &middot; visual position only<\/td>\n<td class=\"max\">41 \/ 35 + beacon<\/td>\n<td>Weatherproof visual position indication; pair the box with a Max-Air indicator beacon.<\/td>\n<td><a href=\"https:\/\/www.anythingflows.com\/en\/?s=Max-Air%20Limit%20Switch%20Box%20Beacons&amp;post_type=product\">Shop beacons &rarr;<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"font-size:13px;color:#6b7682;margin-top:12px;\">Cross-references are guidance based on published<br \/>\n      enclosure, rating, and switch-type data. &ldquo;Buy direct&rdquo; links open the matching Max-Air series on<br \/>\n      our online store, where you can choose the exact enclosure, switch type, and bracket. Final selection is<br \/>\n      confirmed against your actuator, switch configuration, and area classification when we quote.<\/p>\n<h3 style=\"color:var(--af-blue);font-size:20px;margin:30px 0 4px;\">Also ran Moniteur positioners? We cross those too.<\/h3>\n<p class=\"lede\" style=\"font-size:16px;\">Moniteur made valve positioners as well as monitors &mdash; and Max-Air<br \/>\n      builds a full positioner line we stock and sell online.<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"width:30%\">Moniteur positioner (discontinued)<\/th>\n<th style=\"width:34%\">Max-Air replacement<\/th>\n<th style=\"width:36%\">Buy direct<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"mon\">Series 71 &mdash; pneumatic \/ electro-pneumatic (3&ndash;15&nbsp;psi, 4&ndash;20&nbsp;mA)<\/td>\n<td class=\"max\">Max-Air Standard Positioner <span class=\"pill\">pneumatic + E\/P<\/span><\/td>\n<td><a href=\"https:\/\/www.anythingflows.com\/en\/?s=Max-Air%20Standard%20Positioner&amp;post_type=product\">Shop standard positioners &rarr;<\/a><\/td>\n<\/tr>\n<tr>\n<td class=\"mon\">SS2 \/ smart &amp; digital positioners<\/td>\n<td class=\"max\">Max-Air Smart Positioner <span class=\"pill\">MAYT-3300 \/ 3400 &middot; HART<\/span><\/td>\n<td><a href=\"https:\/\/www.anythingflows.com\/en\/?s=Max-Air%20Smart%20Positioner&amp;post_type=product\">Shop smart positioners &rarr;<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"font-size:13px;color:#6b7682;margin-top:12px;\">MAYT-3300 covers ordinary locations (IP66 \/ NEMA 4X);<br \/>\n      MAYT-3400 covers hazardous locations &mdash; both with optional HART communication. Tell us your signal<br \/>\n      (3&ndash;15&nbsp;psi or 4&ndash;20&nbsp;mA), actuator action, and area classification and we&rsquo;ll confirm the exact model.<\/p>\n<\/p><\/div>\n<\/section>\n<section id=\"decoder\">\n<div class=\"wrap\">\n<h2>Decode your old <span class=\"accent\">Moniteur part number<\/span><\/h2>\n<p class=\"lede\">Reading an old tag or P.O.? Use these cues to find your family, then match it in the table above.<\/p>\n<div class=\"decoder\">\n<div class=\"step\"><b>Enclosure cue<\/b><br \/>Cast aluminum, painted &rarr; <b>Watchman<\/b> (general) or<br \/>\n        <b>Sentinel<\/b> (explosion-proof). Black\/yellow plastic &rarr; <b>Survivor<\/b>.<\/div>\n<div class=\"step\"><b>Rating cue<\/b><br \/>Stamped &#8220;Class I Div 1 \/ NEMA 7&#8221; &rarr; <b>Sentinel &rarr; 48 Series<\/b>.<br \/>\n        &#8220;NEMA 4\/4X&#8221; only &rarr; <b>Watchman &rarr; 45<\/b> or <b>Survivor &rarr; 41<\/b>.<\/div>\n<div class=\"step\"><b>Suffix cue<\/b><br \/>Part numbers containing <b>VPT<\/b> or a 4&ndash;20&nbsp;mA spec &rarr;<br \/>\n        add the transmitter option to the matched Max-Air series.<\/div>\n<div class=\"step\"><b>Legacy prefixes<\/b><br \/>Old codes like <b>AMYB-<\/b>, <b>FMYB-<\/b>, <b>-E820<\/b> &rarr;<br \/>\n        send them to us as-is; we&#8217;ll map them to the current Max-Air part.<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<section class=\"alt\" id=\"rfq\">\n<div class=\"wrap\">\n<h2>Request your <span class=\"accent\">cross-reference quote<\/span><\/h2>\n<p class=\"lede\">Send us your discontinued Moniteur model or part number and we&#8217;ll come back with the Max-Air<br \/>\n      equivalent, price, and lead time. No account needed.<\/p>\n<p style=\"margin-top:18px;\"><a class=\"btn\" href=\"https:\/\/www.anythingflows.com\/en\/contact\/\">Send us your Moniteur part number &rarr;<\/a><\/p>\n<p style=\"margin-top:14px;font-size:15px;color:#46535f;\">Or email it directly to <a href=\"mailto:info@anythingflows.com\">info@anythingflows.com<\/a> &middot; +1-832-987-3494.<\/p>\n<\/p><\/div>\n<\/section>\n<section>\n<div class=\"wrap\">\n<h2>Why source the replacement through <span class=\"accent\">Anything Flows<\/span><\/h2>\n<div class=\"trust\" style=\"margin-top:20px;\">\n<div class=\"t\"><b>Authorized<\/b>Max-Air Technology distributor &mdash; genuine product, full warranty.<\/div>\n<div class=\"t\"><b>Continuity<\/b>The same AF team that supplied your Moniteur units handles the cross-over.<\/div>\n<div class=\"t\"><b>Bilingual<\/b>Quotes and support in English and Spanish across the Americas.<\/div>\n<div class=\"t\"><b>Flow control<\/b>Limit switches are part of a full valve, actuator &amp; accessory line.<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Manufacturer Discontinued &mdash; Replacement Available Moniteur Devices has closed.We&#8217;ll cross you over to Max-Air. Anything Flows supplied Moniteur valve position monitors and limit switches for years. Now that the line is gone, we&#8217;ve made the switch simple: as an authorized Max-Air Technology distributor, we cross-reference your discontinued Moniteur units to a direct, in-stock equivalent. Request  [&#8230;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-12011","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.anythingflows.com\/en\/wp-json\/wp\/v2\/pages\/12011","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.anythingflows.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.anythingflows.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.anythingflows.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.anythingflows.com\/en\/wp-json\/wp\/v2\/comments?post=12011"}],"version-history":[{"count":1,"href":"https:\/\/www.anythingflows.com\/en\/wp-json\/wp\/v2\/pages\/12011\/revisions"}],"predecessor-version":[{"id":12012,"href":"https:\/\/www.anythingflows.com\/en\/wp-json\/wp\/v2\/pages\/12011\/revisions\/12012"}],"wp:attachment":[{"href":"https:\/\/www.anythingflows.com\/en\/wp-json\/wp\/v2\/media?parent=12011"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}