{"product_id":"mcdonnell-miller-195000-tc-4-test-check-valves","title":"McDonnell \u0026 Miller 195000 TC-4 Test \u0026 Check Valves","description":"\u003cp\u003eMaintain system safety and integrity with the \u003cstrong\u003eMcDonnell \u0026amp; Miller 195000 TC-4 Test \u0026amp; Check Valve\u003c\/strong\u003e, an essential component for routine maintenance and diagnostic testing. This precision-engineered valve allows operators to verify the functionality of low-water cut-off devices and auxiliary equipment without shutting down the entire hydronic system, ensuring long-term operational reliability.\u003c\/p\u003e\u003cp\u003eThe TC-4 operates as a dual-function control point, facilitating a secure flow path for manual testing protocols. By incorporating the \u003cstrong\u003e195000\u003c\/strong\u003e valve into your steam or hot water infrastructure, you enable seamless verification of switch activation, which is critical for preventing dry-firing and boiler damage.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimplified Diagnostics:\u003c\/strong\u003e Enables rapid testing of low-water cut-off controls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Construction:\u003c\/strong\u003e Engineered to withstand standard boiler operating pressures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance Efficiency:\u003c\/strong\u003e Reduces system downtime by allowing for in-situ diagnostic testing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Primarily utilized in commercial and industrial steam boiler installations, low-pressure heating systems, and hydronic setups requiring periodic safety device verification.\u003c\/p\u003e","brand":"McDonnell \u0026 Miller","offers":[{"title":"Default Title","offer_id":43127731388510,"sku":"195000","price":737.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/195000_image_a9d5bdfd-6688-40df-8a56-13a87051b1f4.png?v=1786057015","url":"https:\/\/nationalboilersupply.com\/products\/mcdonnell-miller-195000-tc-4-test-check-valves","provider":"National Boiler Supply","version":"1.0","type":"link"}