intercom installation , door phone installation, door entry phone installation, door intercom system , London, door entry system
Residential Entry Door Phone / Intercom
Installation and replacement


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Intercom repair

Door Entry Phone Intercom  Bellini

 

Type :              BSTL   
No of flats :      1 to
10
Warranty :        
1 year   
Cost                 [CLICK HERE FOR DETAILS]

Notes: 
It is probably most common system on the market.
Manufactured in UK by BELL company.
Very sturdy door panel requires at least some tool to be damaged.

Reliability:  75%  (see note at the bottom of this page)

Weaknesses: System produces very quiet hum when connected to electric lock release.
                      It does not affect speech however. New version of sleek handsets seem to be
                      less reliable than old ugly ones. Most of  problems with this systems are caused
                      by handsets.

 

 

Type :               BELLINI 
No of flats :       1 to
10
Warranty
       2  years
Cost               
  [CLICK HERE FOR DETAILS]

Notes: 
It is
combination of  BELL  door panel with BITRON electronics and handsets giving much more reliable system at an extra 30 - 50£.

Reliability:  90%  (see note at the end of this page)

Weaknesses:

 

Type :               VIDEX 
No of flats :       1 to
10
Warranty
       3 years
Cost               
  [CLICK HERE FOR DETAILS]

Notes: 
Mixture of
stainless steel plating and galvanised steel frame  gives it very modern
and quality look. VIDEX is  company with long history on the market
and excellent
reliability
record that can only be contested by "BPT".
Very well engineered in terms of protection against elements.


Lots of add-ons (like keypads, key fob modules) are available.

Reliability:  97%    (see note at the bottom of this page)

Weaknesses: System is very modular meaning that if for example there is problem with push button fails whole cheap bridesmaid dress module has to be replaced what bumps up cost of repair.

 


Type
:              
Doorbell intercom
No of flats :       1
Warranty       
2 years
Cost               
  
  [CLICK HERE FOR DETAILS]
                        


Notes.
I chose this one as budget option for those with  limited budget.
System does its job  well. Quality of speech is good. 
 Generally makes pretty good impression for its price.

Weaknesses : 
1) One can not have additional handsets,
2) There is no speech volume adjustment.

Reliability:  90%  (so far)
              Although there is  a stigma of Chinese product but this one  operates fairly well.


 


 

Note about reliability rating :  It is percentage of systems that required repair within five years form date of installation.
                                                  Please note that these are my own calculations based on systems that I fitted over last 14 years.

Example:  75% means that 25 for every 100  systems required repair within 5 years from the date of installation.
                 97% means that 5  for every 100 systems required repair within 5 years from the date of installation.
                 100% means that so far there has been no recalls for this systems.
 

                               

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