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The daddy post of the 3 tee rule

jaydebruyne

jaydebruyne

Plumbers Arms member
Plumber
Gas Engineer
Apr 6, 2014
2,718
680
113
London, UK
Member Type
Heating Engineer (Has GSR)
ok, I just want someone to clarify please...

3 tee rule..

Flow:
Cylinder
Heating
Bypass

Return:
Bypass
Heating
Cylinder

Bypass and cylinder to come off at right angles.

???
 

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