I'm fitting a thermostatic mixer valve which has 3/4in BSP male connectors for the H and C water input to which I need to fit elbows to take the pipes vertically downwards. Fixing such fittings is always difficult in getting the joint sufficiently tight while ensuring that it ends up pointing vertically downwards. In the past I have used PTFE in varying amounts to try to achieve this but it is always a pain. Is it acceptable to use an angled tap connector with a female 3/4in BSP which allows you to tighten up the joint while being able to manipulate it into the required position? Any advice gratefully accepted. Thanks
Hi Yes, it will work providing that the end of the male threaded components is smooth, and has enough flat surface for the washer to seal to. Another thing is that a tap connector is quite a bit longer than a copper / iron elbow, and may give a problem. In short, I would stick with the BSP fittings. You may like to try Loctite 55 cord rather than PTFE, or even gas thread tape, it's thicker than standard tape.
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