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Both bronze fittet and all bronze models are available in a wide range of sizes to match the performance requirements of any of these applications. in-line circulators are suitable for applications such as hydronics heating and cooling, domestic water systems, multi-stage zoning and general industrial service. The 174031LF-043 Armstrong S-25 AB All Bronze Centrifugal Pump w/ 1/12 hp is part of the Armstrong Series S & H series circulating pumps.

Armstrong "H" Series Pump Submittal Sheet.

Armstrong "S" Series Pump Submittal Sheet.

816012-141 Armstrong Bronze Pump Flange Kit 1".

810119MF-001 Armstrong Bearing Assembly.

Among the problems addressed were improperly placed pistons, leaking service valves, faulty discharge tubes and confusion over how to install the filter-drier.174031LF-043 Armstrong S-25 AB All Bronze Centrifugal Pump with 1/12 hp. The document acknowledges problems with the SCU10’s components and manufacturing and attempts to provide possible solutions though discussion boards continue to discuss problems into at least 2003. In 1997, Armstrong issued a document entitled “Technical Tips File N.T97-8” that includes the company’s responses to the many complaints received from 1995 through 1997. Overall, these units are regarded as poor products and technicians have stopped both purchasing and installing them due to the high number of issues and difficulty with warranty coverage. For example, a contractor on complained that he had installed a brand new unit for a customer, only to find out the air conditioner had never been charged with refrigerant at the factory and had already developed a leak. Internet HVAC forums contain threads in which HVAC professionals discuss a myriad of problems with Armstrong SCU10 air conditioners.