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NABIC 503 THREE WAY BOILER VENT VALVE
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Nabic 503 Three Way Boiler Vent Valve
 

The Nabic Fig 503 Three Way Valve (also known as a Three Way Escape Valve) has been designed for use on vented hot water systems, to ensure there is a permanent connection from the boiler or calorifier to atmosphere. Fitting a Nabic 503 allows the use of a single common vent pipe, and permits continued operation of the system whilst maintenance is carried out on an individual unit. NABIC Valves now come with an Industry leading 5 Year Guarantee.

Nabic 503 Three Way Boiler Vent Valve

Sizes: 3/4" (DN20), 1" (DN25), 1.1/4" (DN32), 1.1/2" (DN40), 2" (DN50), 2.1/2" (DN65)
Connections: Female BSP
Materials: Gunmetal body
Pressure: 7 Barg Max
Temperature: 93 degC Max

Nabic 503 Three Way Boiler Vent Valve Datasheet
Nabic 503 Installation Operating & Maintenance Instructions

 

If you buy valves on a regular basis please call 01482 601032 to discuss setting up an account with an agreed discount structure

 
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Type:
   
 
SCREWED - BSP
           
  Part Code Size & Connections Quantity on Stock Our Price (Ex-Vat)  
  N-503C-020 3/4" Female BSP (DN20) 3 £336.70  
  N-503C-025 1" Female BSP (DN25) 2 £243.17  
  N-503C-032 1.1/4" Female BSP (DN32) 7 £338.85  
  N-503C-040 1.1/2" Female BSP (DN40) 4 £426.13  
  N-503C-050 2" Female BSP (DN50) 4 £585.66  
  N-503C-065 2.1/2" Female BSP (DN65) 2 £800.82  
           
** The stock figures automatically update every 15 minutes during normal working hours **
 
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