Weekly Product Gallery: Viega, Charlotte Pipe, Eemax, Moen, WaterFurnace, Aquatherm

This week's gallery highlights these products: a PEX plumbing system; an adjustable toilet flange; a nonthermostatic tankless water heater; a bath faucet collection; a geothermal heat pump with variable-capacity compressors; and PP-R pipe for mechanical and industrial applications.