Weekly Product Gallery: Armstrong, DeWalt, Fujitsu, Noritz, California Faucets and Rheem

This week’s gallery shines the spotlight on a high-efficiency variable-speed circulator, reciprocating saw blades where the used portion can be broken off, a residential variable refrigerant flow system, residential condensing tankless water heaters, a pull-out faucet for smaller kitchens, and residential mini-split heat pumps.