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Common Questions Can the A30-543 be used for both heating and cooling
We recommend inspecting the mounting surface and using a high-temp silicone sealant or a new mounting gasket during installation to ensure a gas-tight seal at the collector box
Does this sensor detect Propane as well
Always verify your specific model and serial number against the manufacturer’s parts list to ensure the correct staging logic
it simplifies field service and retrofits
Lochinvar & A.O. Smith 100291510 Cartridge 319825-402 Common Questions Can the A30-543The Lochinvar & A. O. Smith 100291510 Cartridge is a critical OEM maintenance component designed specifically for the PP AS20 Product Preservers anti scale system. As a veteran technician knows, hard water scale acts as a thermal insulator, significantly reducing heat transfer efficiency in tankless water heaters and boilers. This replacement antiscale cartridge utilizes a specialized media blend that chemically sequesters scale forming minerals like
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