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Chamberlain 820CB Sensor de seguridad de repuesto para puerta de cochera, paquete de 2 - Cantidad 1

Envío gratis en pedidos superiores a Mex $600.00

Mex $842.65

Mex $ 429 .00 Mex $429.00

En stock

1.Nombredelestilo:Sensores


Acerca de este artículo

  • Para uso con cada abridor de puerta de garaje Chamberlain fabricado después de 1997
  • Solución de problemas mejorada, los sensores de marcha atrás de seguridad más intuitivos
  • El perfil bajo reduce el riesgo de ser golpeado fuera de alineación
  • Siempre que haya una obstrucción, la puerta del garaje se volverá automáticamente
  • Compatible con Chamberlain, LiftMaster y la mayoría de abridores de puertas de garaje Craftsman;Incluye 2 sensores, soportes de montaje, cable de extensión de 18 pulgadas, manual de instrucciones (idioma español no garantizado)



Más información del producto

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Sobre nosotros

Chamberlain Group, la empresa matriz corporativa de LiftMaster, Chamberlain, Merlin y Grifco, es uno de los líderes en soluciones y productos de acceso. Diseñamos e diseñamos abrelatas de puertas de cochera residenciales, operadores de puertas comerciales y sistemas de entrada de puertas. Nuestro innovador ecosistema inteligente de productos, con soluciones de acceso inteligente para moverse de forma segura a través de garajes, hogares, comunidades, empresas e instalaciones de almacenamiento.


Customer
Comentado en Canadá el 10 de mayo de 2024
Very good product.
Hawaz Desta
Comentado en Canadá el 26 de febrero de 2024
This product is symply the best and easy to install. Addionally, much chiper than any other saller of the same brand and product. Thanks a Million!!!
Edwin R Rodriguez
Comentado en los Estados Unidos el 1 de diciembre de 2024
Moved into a new home and the previous owner told me the garage door would stick when it was cold and I had to hold down the garage close button.. once I moved in I quickly realized the sensors were no good. He had the old style sensors, so I got these and had them spliced in and mounted in about 10 minutes. Unfortunately I had to modify the brackets a bit to mount (bc of how the old ones were mounted). A few quick bends with a pair of pliers and these were up and running. First open and close were successful and a second test with a box in the way triggered the safety reverse, as they’re supposed to. Excellent product. I connected these to a chamberlain garage door opener.
Gregorio
Comentado en México el 6 de abril de 2024
A dos meses de haber puesto estos nuevos sensores, presentaron filtración de humedad y dejaron de funcionar
MN Outdoorsman
Comentado en los Estados Unidos el 4 de agosto de 2023
I had new garage doors installed about 3-4 years ago and they functioned perfectly (including the safety sensors) from day one. Unfortunately, we recently starting having problems with the garage doors closing in the later afternoon (North facing driveway). It was pretty clear that the sun was shining directly into the safety sensors which caused the lift motor to reverse. This was a major problem as I have a few kids who are great on their iPhones but not so great when it comes to more "complicated" home problems (i.e. running a dishwasher, washing machine, lawn mower, and garage doors). It is really frustrating to be at work and have a kid call to say they can't get the garage doors to close. It is even more frustrating to try to explain how to solve the problem to the helpless teenagers.....Enough said. Time to solve the problem.I did lots of internet research and found all kinds of hokey solutions (i.e. toilet paper roll, black plastic sun shades, etc...) but none of those seemed reliable enough to protect me from the dreaded call from the teenagers so I looked into the problem further and it appears that long-term exposure to sunlight can cause the older generation of photoelectric safety sensors to deteriorate. I decided to replace the old sensors with these hoping it would solve the problem. Good news! They did!I do have a couple of tips that might help with the install if you choose to replace your old sensors with these. First, I used a black permanent marker to mark the top location of the brackets for the old sensors. I then removed the old brackets and installed the new brackets with the new sensors as a complete assembly with the top of the new bracket at the marked line. That is much easier than installing the new bracket and then installing the new sensor (you do need to use the new bracket as the sensors are shaped differently).Next, I pre-wound some of the excess wire around a pen to create a little buffer in case I needed to move the new sensor up or down. It is only possible to do this easily if you do it before the wires from the sensor are connected to the wires from the garage door motor. I now had a buffer that would allow vertical movement if my marks were off.Finally, I cut the old sensor out one wire at a time so that I did not have to unplug the garage door motor itself. If you cut one wire at a time, you cannot create a short which might damage the garage door motor and unplugging the motor itself is an unnecessary extra step. The connectors that are included with the new sensors were perfect and easily secured with a simple pliers so all good!Once the install and electrical connections were complete, it was easy to verify the sensors were properly aligned. One sensor has an amber light and the other has a green light. It does not appear to matter how you install them. Both lights are constantly on when things are properly aligned and they flash if there is a problem so easy to verify the install. Mine turned out to be correct so I went on to test the up/down performance at the same time of day when we usually have trouble. Everything worked perfectly and I no longer have problems with the sunlight causing the garage doors to reverse!These turned out to be a simple solution to a frustrating problem. I highly recommend the kit if you are having similar problems with your garage doors auto reversing due to sunlight!
Jorge
Comentado en México el 7 de marzo de 2022
Los sensores anteriores ya no funcionaban correctamente, decidí cambiarlos por estos, tengo motor chamberlain y funcionaron excelente, muy fácil la instalación sin necesidad de contratar técnico.
Jorge Alberto De Peña Ortiz
Comentado en México el 8 de enero de 2022
Sin una duda un modelo muy práctico por su tamaño, tomar en cuenta que necesitar hacer conexión con los conectores ya que solamente traen 1 metro de cable.
shc9984
Comentado en Canadá el 4 de abril de 2022
Installs onto existing wire. Will require wire strippers for the install. Package provides 4 (+1 extra) crimp connectors for making the connection between the new sensors and the old cables. Old sensors were having some issues (backing up when nothing was there, not stopping when something was actually blocking the sensor). These seem to be more sensitive and accurate than the older sensors. I did not bother changing the mounting hardware and used the existing ones on the track. New LED indicators are much brighter and larger.
Salvador Martinez
Comentado en México el 6 de noviembre de 2021
Facilidad de instalación y buena calidad de producto para mi motor Chamberlain
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