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RTR Upgrade
Part No:
Price Ex VAT @ 20%
Image 1

Teflon lined, stainless steel braided high pressure Hose 648mm (25") long with a straight union at one end and a 90 degree union at the other; suitable for use with RevingtonTR axial flow (Bosch type) Pump Kit.

Use this Teflon lined, stainless steel braided hose to replace 215642, Hose Pump to Pressure Relief Valve (PRV), when the new style PRV is installed as mentioned below.
An even longer hose will be required if your PRV is still mounted on the chassis, (TR5 & earlyTR6); order 215585 or 215585SS, see below.

NOTE 1: We have found that braided stainless steel hose cannot be used in this position whilst the original PRV is still used due to the hard nature of the outer sheath, causing even more resonance than might have been evident with a rubber hose.

NOTE 2: Resonance is when the PRV fluctuates at a resonant frequency with the pulses generated by the fuel pump and an unpleasant droning noise is produced. This phenomenon is unlikely to occur with the original Lucas pump but is very likely when an axial flow pump is fitted. A longer soft hose RTR4048 when fitted from the pump to the original PRV usually cures this (a stainless Steel braded hose will make it worse) but brings with it another bit of bad news. As modern fuels are much more volatile than older fuels they can permeate through rubber hose and create an unpleasant smell in the boot. If this is unacceptable there is a definitive solution to all this. We have a modern PRV kit available RTR4456K which works on a different principle to the original type and does not resonate. The good news is that with this new PRV kit installed, a Teflon lined Stainless Steel braided hose, 215642SS or RTR4048-1 can be used from the pump to the PRV which will greatly reduce petrol smells in the boot with no fear of resonance.

Before ordering 215642SS or RTR4048-1 inspect your Bosch fuel pump installation and choose the most appropriate hose. If you have a Revington TR Bosch fuel pump kit mounted externally under the left hand boot floor, 215642SS  is likely to be your best choice, especially if a pump shield RTR7259 and/or underwing shields are to be fitted.
215642SS has 90 degree fittings both ends and is 460mm (18-1/8") long
RTR4048-1has a 90 degree fitting one end and a straight fitting the other and is 648mm (25") long

Fuel and braking systems

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