Apr 02

Careful, your hot water heater could become a hazardous missile!

I recently read an account of a water heater that had a TPR valve issue. It effectively turned the water heater into a projectile missile, breaking through the wall and ricocheting down the street:

“The steam-powered tank hurtled across the busy intersection at First Avenue South and South 152nd Street — over at least six lanes of traffic — before landing more than 439 feet away in the parking lot of a Pizza Hut. …[the] water heater landed 70 feet from a Kannapolis, North Carolina, home and did an estimated $20,000 worth of damage when it exploded. According to the report, the heater lacked a TPR valve altogether.”

What is a TPR Valve?

Most home owners do not know what a TPR valve is or looks like, let alone the importance of having one. In any event, these little valves should never be capped, sealed shut, or left without having an extension pipe added. In case you aren’t familiar, a TPR valve stands for Temperature Pressure Release Valve. This valve is designed to release water from a water heater if either the temperature is too high or if the pressure is too high. The point is, if pressure builds up in a water heater, the valve releases the pressure by letting water out, as opposed to creating an unpredictable and dangerous exploding missile.

What is a TPR Valve Extension Pipe?

Codes require that an extension tailpipe be added onto the TPR valve so that if any pressure builds up and is forced out, then it will not spray accidentally into someone’s face, but will spray towards the floor. The TPR valves are installed either on the top of a unit or on the side of water heaters. The extension tailpipe, also called a discharge pipe, should terminate no more than six inches off of the floor, per building safety codes.

Photo of a combustion water heater with side TPR valve missing a tailpipe:

Tags: Do electric water heaters need a TPR pipe, what is a TPR valve? code for electric water heater TPR pipe, house safety, TPR discharge pipe, hot water heater explodes, news of water heater exploding, water heater like a rocket

Aug 04

Free Book with Home Inspection in Suffolk NY

InterNACHI’s ultimate home maintenance manual is free to all home buyers who use the services of Suffolk NY Home Inspections. InterNACHI is the foremost home inspection certification organization and, as a member, SHI is grateful for the opportunity to offer this helpful free book with every home inspection. The book, Now That You’ve Had A Home Inspection, is available in English and Spanish (libro gratis con inspección de la vivienda en español). Call SHI today for your inspection: 631 377 2046.  

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Feb 08

AutoCAD Drafting Services Hamptons, NY

Do you need to have a project drawn on AutoCAD or Vectorworks with some design expertise thrown in? You can realize your dream project with my assistance. I have a degree in architecture from the Cooper Union plus experience in both Vectorworks and AutoCAD drafting. If you would like to meet and discuss AutoCAD drafting and / or design services in the Hamptons, NY area, or simply by long distance over Internet communication, don’t hesitate to contact me at 631 377 2046.

Tags: AutoCAD on Long Island, Hamptons NY. Vectorworks Hamptons NY, drafting services Hamptons NY, drafting design Hamptons NY, freelance drafting

Jul 17

Recent EMF Radiation Inspection in East Hampton

I recently performed an EMF radiation inspection for a land purchase in East Hampton where there are some high voltage power lines. Not the huge metal towers, just thick, typical-looking power lines running down the street. Some of the EMF readings in the area came in over 100mG, which is pretty high considering that Sweden settled on 2.5mG as a safe limit after a 25-year study on the subject. In this post I’d like to give a little background on the issue and offer some reasons why you should probably know what the EMF readings are both in your home and in your yard. I know, I know, another thing to watch out for.

100 mG EMF reading in East Hampton NY

Background

EMF (or ElectroMagnetic Field) is a broad term which includes electric fields generated by charged particles, magnetic fields generated by charged particles in motion, and radiated fields such as TV, radio, and microwaves. Electric fields are measured in units of volts per meter or V/m. Magnetic fields are measured in milli-Gauss or mG. The field is always strongest near the source and diminishes as you move away from the source.

High levels of EMF air pollution can dramatically influence property values. Southampton Home Inspections (SHI) always offers EMF testing in conjunction with home inspections and will also perform independent EMF test services. In my recent inspection I took readings at 16 locations around the property and vicinity as a basis for an objective report on the conditions.

The manufacturer of the meter I use states that it, “Measures AC electric fields rapidly, such as from overhead power lines or improperly grounded equipment. Measures major RF/microwave sources such as leakage from microwave ovens, or the field near cell towers.” The meter manufacturer describes an error factor of 20%. EMF radiation from power lines is often referred to as an ELF, an extremely low frequency condition.

Reported “Possible” Health Issues

As far as reported health effects of EMF are concerned, A 2009 EU update confirmed the opinion of a previous 2007 EU report: “The previous conclusion that ELF magnetic fields are a possible carcinogen, chiefly based on childhood leukaemia results, is still valid.” Other potential health problems have not been considered as significant. In 1995, a major law suit was filed against a Texas Utility company regarding 8 cases of children diagnosed with acute lymphocytic leukemia who lived near high voltage power lines. The suit was filed by Joseph Jamail, one of the most successful—and richest—trial lawyers in America.

When I first began testing the microwave oven in our home and ones in other homes, we quickly decided not to allow anyone in the kitchen when the microwave oven is on. No matter how new the model, the radiation is usually high within 5 feet. Bedside alarm clocks, electric blankets (still selling at the Bridgehampton K-Mart) and, yes, cell phones also emit radiation that has not been emphatically proven to cause cancer. Yet, as recently as this past May, there is news that India will ban all cell phone sales of units that are not properly labeled. I’m not referring to the fine print in the box, but the cell phone itself. As noted, “The SAR value, which is the radiation emitted by a cellphone, will have to be displayed on mobile handsets.”

The US government presently does not regulate EMF levels in such things as power lines. However, the Office of Technology Assessment of the Congress of the United States recommends a general policy of “prudent avoidance” with respect to EMF. Prudent avoidance would mean measuring the levels, determining the sources, and acting to reduce exposure. Using an EMF meter, it is possible to know where the sources of EMF are in your everyday world and how strong these sources are.

If you are considering purchasing a home, land, a microwave, or a cell phone, I highly suggest that you do some research and learn what the EMF values are, if available. If you would like SHI to perform EMF tests for you, that would be a pleasure.

Tags: Hamptons NY EMF radiation testing, EMF survey, update of EMF health effects