{"product_id":"ao-smith-100111056-blower-prover-switch-natural-propane","title":"Ao Smith 100111056 Blower Prover Switch Natural Propane","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe AO SMITH 100111056 is a blower prover switch designed for use with both natural gas (NG) and propane (LP) fuel types in high-efficiency commercial water heater applications. This switch monitors combustion air blower operation, confirming that adequate airflow is present before allowing burner ignition. It serves as a critical safety and performance component in commercial gas water heater systems. Licensed service technicians and commercial plumbing contractors are the primary installers of this part. Its dual-fuel compatibility makes it a practical replacement option across a range of commercial water heater configurations.\u003c\/p\u003e\n\u003cp\u003eThis blower prover switch is rated for commercial use and is compatible with AO SMITH BTH, SUF, and HCG series water heaters in the following size ranges: 60-120, 100-150, 100-199, and 100-250. These series are commonly found in commercial facilities requiring high-demand hot water supply. The switch is suited for high-efficiency units where blower-assisted combustion and proven airflow are required before burner operation can proceed.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with both natural gas and propane fuel types\u003c\/li\u003e\n  \u003cli\u003eDesigned for high-efficiency commercial water heater applications\u003c\/li\u003e\n  \u003cli\u003eConfirms blower operation before permitting burner ignition, supporting system safety\u003c\/li\u003e\n  \u003cli\u003eFits BTH, SUF, and HCG series units across multiple capacity ranges\u003c\/li\u003e\n  \u003cli\u003eOEM-style replacement for consistent fit and function\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eCompatible with AO SMITH BTH, SUF, and HCG series commercial water heaters in the 60-120, 100-150, 100-199, and 100-250 size ranges for both natural gas and propane configurations.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a licensed plumber or qualified commercial water heater service technician. Before servicing, shut off the gas supply and disconnect electrical power to the unit in accordance with local mechanical and electrical codes. Inspect the blower prover tubing and pressure ports for obstructions or damage before installing the replacement switch. Verify correct pressure differential ratings and wiring connections match the existing system before returning the unit to service.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuel Type\u003c\/strong\u003e: Natural Gas (NG) and Propane (LP)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: High Efficiency Commercial\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Series\u003c\/strong\u003e: BTH, SUF, HCG\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Size Ranges\u003c\/strong\u003e: 60-120, 100-150, 100-199, 100-250\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: AO SMITH\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 100111056\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TAILWIND","offers":[{"title":"Default Title","offer_id":51150096662834,"sku":"100111056","price":100.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/305988368.jpg?v=1778605947","url":"https:\/\/voomisupply.com\/products\/ao-smith-100111056-blower-prover-switch-natural-propane","provider":"Voomi Supply","version":"1.0","type":"link"}