Septic Systems and Their Maintenance - information provided by the University of Maryland Extension, which includes descriptions and schematic drawings of one and two compartment septic tanks, a typical drainage field or trench system, a seepage pit or dry well, and a sand mound system.

American Standard Inc. - You probably already know that they manufacture bathroom and kitchen fixtures and fittings, but did you know they also sell Trane® air conditioning products, automotive braking and control systems, and products for medical diagnostics industries?

A.O. Smith Water Products Company - Manufacturers of gas, electric, and oil water heaters, boilers, hot water storage tanks, and hot water generator systems that use steam or boiler water.

Amtrol, Inc. - Manufacturers of potable water products, including Well-X-Trol® pre-pressurized well water system tanks, expansion tanks, water pressure boosting systems, energy efficient water heaters, and storage tanks. Worth a visit just to see their navigation bar.

BioLet USA - Manufacturers of composting toilets that do not use water, chemicals, or electricity and do not need to be connected to a public sewer or private septic system.

Bradford White® Corporation - Manufacturers of natural gas, propane gas, solar, heat pump, electric, and oil water heaters, boilers, and heat exchangers.

Burnham Holdings - The parent company of several subsidiaries that manufacture residential, commercial, and industrial furnaces, gas and oil boilers, indirect water heaters, zone controls, cast iron baseboard, radiators, and radiant heat systems.

Copper Tube Handbook - a production of the Copper Development Association, a trade group promoting the copper and brass industries. It explains the difference between Type K, Type L and Type M copper tube (K has thicker walls than L and L has thicker walls than M), offers design and installation data, and it contains instructions for soldering and brazing copper joints.

Clivus Multrum - Makers of dry and ultra low flush composting toilets that may allow you to live in a house or cabin that is not connected to a septic system. The site also explains what greywater is and provides information about how to filter it.

Eemax, Inc. - Manufacturer of residential and commercial instantaneous or point of use water heaters, which provide on-demand hot water.

Gerber Plumbing Fixtures Corp. - Established in 1932 by Max Gerber, the company is still a family-run business which now employs more than 900 people. They manufacture faucets and fittings for kitchens, bars, lavatories, tubs & showers, as well as, low-flow toilets and lavatories or bath sinks.

Grohe America - Products for your bathroom, shower, and kitchen.

Keltech, Inc. - Manufacturer of Acutemp tankless water heaters for residential and commercial applications, which provide on-demand hot water.

Kohler Co. - Well known for kitchen and bath products, not to mention hotels and golf resorts.

Love Plumbing & Remodel - Terry Love, the owner of this Washington based company has assembled quite a bit of helpful plumbing information. Including a very good consumer report on modern low flush toilets.

Mansfield Plumbing Products - Manufacturers of vitreous china bathroom fixtures, including toilets, bidets, urinals, lavatories, whirlpool tubs, bath and shower bases, porcelain-on-steel bathtubs, and kitchen sinks.

Moen, Inc. - Founded by Al Moen, who invented the single-handle washerless faucet, Moen is now part of the Fortune Brands Home and Security group. The company manufactures kitchen, bath, and shower faucets; pullout and pulldown spout faucets, pot fillers, bar and butler fixtures; composite and stainless steel sinks; pressure balanced shower valves that minimize water temperature fluctuation; bathroom accessories; home care and bath safety products — most of which are available in residential and commercial series. They even offer a hot and cold, anti-siphon, outdoor sill faucet (also called a frost free or frost proof or freeze resistant hose bib), which could be especially useful when building outdoor kitchens in cold winter climates.

Outhouses of America Tour - Started in 1996 as a joke, this site has ots of photos documenting classic outhouses and construction techniques. Read about Thomas Crapper, waxing or waning crescent moons, and learn a little bit about life before indoor plumbing in the "Outhouse FAQ's" section. This site is a lot of fun, butt it is also educational!

PASCO Specialty & Mfg. - Offers an extensive line of plumbing specialty tools and products, including vinyl shower pan liners and pre-fab corners.

Radiantec Company - This Vermont radiant heating company has a very informative Web site that promotes the use of underfloor heat systems.

Residential Septic Systems - articles, guides, pumping schedules, links, and other information about onsite sewage disposal systems.

Rheem Manufacturing Company - This wholly owned subsidiary of Paloma Industries of Nagoya, Japan includes Ruud and Raypack. They produce water heaters, central warm air furnaces, air conditioners, heat pumps, swimming pool heaters and commercial boilers.

Sta-Rite Industries - Manufacturer of deep and shallow well pumps, water tanks, water filtration systems, irrigation systems, effluent pumps, sewage ejector pumps, submersible sump pumps, as well as, pool and spa pumps, filters, heaters, automatic cleaners and other related products.

TOTO KIKI USA, Inc. - TOTO offers bathroom products for residential and commercial use, including one & two piece toilets, dual flush toilets, bidets (bih-DAYs), lavatories, pedestal sinks, featured toilet seats, urinals, commerical toilets & lavatories, flush valves, and faucets. Their inovative Zoë Washlet toilet seat, which can be installed on a new or existing toilet, has a remote controlled, warm water, bidet style washing system and an optional heated seat feature. The Toto Ultramax and Drake toilet series incorporate a 3 inch flush valve instead of the standard 2 inch opening and are considered by many to be two of the best low-flush toilets.

Uponor (formerly Wirsbo Company) - Manufacturer of crosslinked polyethylene (PEX) tubing used in residential and commercial radiant floor heating, snow-melt, and plumbing systems.

Watts Radiant - Various products for heating floors and melting snow.

Weil-McLain - Manufacturers of cast iron boilers for steam or hot water hydronic heating applications.